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-rw-r--r--Documentation/networking/index.rst2
-rw-r--r--Documentation/networking/msg_zerocopy.rst4
-rw-r--r--MAINTAINERS2
-rw-r--r--arch/mips/kernel/cps-vec.S2
-rw-r--r--arch/mips/kernel/process.c12
-rw-r--r--arch/mips/kernel/ptrace.c147
-rw-r--r--arch/riscv/configs/defconfig75
-rw-r--r--arch/riscv/include/asm/csr.h8
-rw-r--r--arch/riscv/include/asm/io.h4
-rw-r--r--arch/riscv/include/asm/irqflags.h10
-rw-r--r--arch/riscv/include/asm/pgtable.h4
-rw-r--r--arch/riscv/include/asm/ptrace.h2
-rw-r--r--arch/riscv/include/asm/tlbflush.h4
-rw-r--r--arch/riscv/include/asm/uaccess.h12
-rw-r--r--arch/riscv/include/asm/unistd.h1
-rw-r--r--arch/riscv/include/asm/vdso-syscalls.h28
-rw-r--r--arch/riscv/include/uapi/asm/syscalls.h26
-rw-r--r--arch/riscv/kernel/entry.S8
-rw-r--r--arch/riscv/kernel/process.c4
-rw-r--r--arch/riscv/kernel/syscall_table.c1
-rw-r--r--arch/riscv/kernel/vdso/flush_icache.S1
-rw-r--r--arch/riscv/mm/fault.c2
-rw-r--r--arch/sh/boards/mach-se/770x/setup.c24
-rw-r--r--arch/sh/include/mach-se/mach/se.h1
-rw-r--r--block/blk-core.c9
-rw-r--r--block/blk-mq.c2
-rw-r--r--block/blk.h2
-rw-r--r--drivers/block/loop.c10
-rw-r--r--drivers/gpio/gpiolib.c35
-rw-r--r--drivers/infiniband/core/core_priv.h2
-rw-r--r--drivers/infiniband/core/device.c18
-rw-r--r--drivers/infiniband/core/nldev.c54
-rw-r--r--drivers/infiniband/hw/mlx4/mr.c2
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c25
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_multicast.c5
-rw-r--r--drivers/infiniband/ulp/srpt/ib_srpt.c5
-rw-r--r--drivers/net/can/flexcan.c2
-rw-r--r--drivers/net/can/usb/ems_usb.c1
-rw-r--r--drivers/net/can/usb/gs_usb.c2
-rw-r--r--drivers/net/can/vxcan.c2
-rw-r--r--drivers/net/dsa/b53/b53_common.c9
-rw-r--r--drivers/net/ethernet/3com/3c59x.c90
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_netdev.c45
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c2
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c2
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4.h1
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_hw.c17
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c7
-rw-r--r--drivers/net/ethernet/freescale/gianfar_ptp.c3
-rw-r--r--drivers/net/ethernet/intel/e1000/e1000.h3
-rw-r--r--drivers/net/ethernet/intel/e1000/e1000_main.c27
-rw-r--r--drivers/net/ethernet/intel/e1000e/ich8lan.c11
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c37
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_txrx.c26
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40e_txrx.c26
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/pci.c7
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/pci_hw.h1
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.c11
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.h2
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c7
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c6
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_net_common.c2
-rw-r--r--drivers/net/ethernet/renesas/sh_eth.c33
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c6
-rw-r--r--drivers/net/geneve.c14
-rw-r--r--drivers/net/macvlan.c7
-rw-r--r--drivers/net/phy/mdio-sun4i.c6
-rw-r--r--drivers/net/phy/phylink.c5
-rw-r--r--drivers/net/phy/sfp-bus.c6
-rw-r--r--drivers/net/usb/qmi_wwan.c1
-rw-r--r--drivers/net/wireless/ath/wcn36xx/main.c23
-rw-r--r--drivers/net/wireless/ath/wcn36xx/pmc.c6
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/internal.h10
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c11
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/tx.c8
-rw-r--r--drivers/net/xen-netfront.c1
-rw-r--r--drivers/nvme/host/core.c7
-rw-r--r--drivers/nvme/host/nvme.h12
-rw-r--r--drivers/nvme/host/pci.c42
-rw-r--r--drivers/nvme/host/rdma.c14
-rw-r--r--drivers/nvme/target/fcloop.c2
-rw-r--r--drivers/of/of_mdio.c9
-rw-r--r--drivers/platform/x86/wmi.c2
-rw-r--r--include/linux/bpf.h26
-rw-r--r--include/linux/sh_eth.h1
-rw-r--r--include/net/sctp/structs.h2
-rw-r--r--include/net/vxlan.h2
-rw-r--r--include/uapi/linux/if_ether.h3
-rw-r--r--include/uapi/linux/libc-compat.h61
-rw-r--r--include/uapi/linux/netfilter/nf_conntrack_common.h2
-rw-r--r--init/Kconfig7
-rw-r--r--kernel/bpf/arraymap.c47
-rw-r--r--kernel/bpf/core.c19
-rw-r--r--kernel/bpf/sockmap.c11
-rw-r--r--kernel/bpf/verifier.c36
-rw-r--r--kernel/cgroup/cgroup-v1.c6
-rw-r--r--kernel/cgroup/cgroup.c20
-rw-r--r--lib/test_bpf.c11
-rw-r--r--net/8021q/vlan.c7
-rw-r--r--net/caif/caif_dev.c5
-rw-r--r--net/caif/caif_usb.c4
-rw-r--r--net/caif/cfcnfg.c10
-rw-r--r--net/caif/cfctrl.c4
-rw-r--r--net/core/dev.c14
-rw-r--r--net/core/ethtool.c15
-rw-r--r--net/core/filter.c6
-rw-r--r--net/core/rtnetlink.c10
-rw-r--r--net/core/sock_diag.c2
-rw-r--r--net/core/sysctl_net_core.c6
-rw-r--r--net/ipv4/raw.c4
-rw-r--r--net/ipv6/exthdrs.c9
-rw-r--r--net/ipv6/ip6_fib.c73
-rw-r--r--net/ipv6/ip6_output.c5
-rw-r--r--net/ipv6/ip6_tunnel.c15
-rw-r--r--net/mac80211/rx.c2
-rw-r--r--net/netfilter/nf_tables_api.c8
-rw-r--r--net/rds/rdma.c4
-rw-r--r--net/sched/act_gact.c2
-rw-r--r--net/sched/act_mirred.c2
-rw-r--r--net/sctp/input.c28
-rw-r--r--net/sctp/socket.c28
-rw-r--r--net/sctp/stream.c22
-rw-r--r--net/sctp/transport.c29
-rw-r--r--net/socket.c13
-rw-r--r--net/tipc/group.c22
-rw-r--r--net/wireless/nl80211.c3
-rw-r--r--sound/core/oss/pcm_oss.c41
-rw-r--r--sound/core/oss/pcm_plugin.c14
-rw-r--r--sound/core/pcm_lib.c4
-rw-r--r--sound/core/pcm_native.c9
-rw-r--r--sound/drivers/aloop.c98
-rw-r--r--tools/testing/selftests/bpf/test_align.c22
133 files changed, 1320 insertions, 603 deletions
diff --git a/Documentation/networking/index.rst b/Documentation/networking/index.rst
index 66e620866245..7d4b15977d61 100644
--- a/Documentation/networking/index.rst
+++ b/Documentation/networking/index.rst
@@ -9,6 +9,7 @@ Contents:
batman-adv
kapi
z8530book
+ msg_zerocopy
.. only:: subproject
@@ -16,4 +17,3 @@ Contents:
=======
* :ref:`genindex`
-
diff --git a/Documentation/networking/msg_zerocopy.rst b/Documentation/networking/msg_zerocopy.rst
index 77f6d7e25cfd..291a01264967 100644
--- a/Documentation/networking/msg_zerocopy.rst
+++ b/Documentation/networking/msg_zerocopy.rst
@@ -72,6 +72,10 @@ this flag, a process must first signal intent by setting a socket option:
if (setsockopt(fd, SOL_SOCKET, SO_ZEROCOPY, &one, sizeof(one)))
error(1, errno, "setsockopt zerocopy");
+Setting the socket option only works when the socket is in its initial
+(TCP_CLOSED) state. Trying to set the option for a socket returned by accept(),
+for example, will lead to an EBUSY error. In this case, the option should be set
+to the listening socket and it will be inherited by the accepted sockets.
Transmission
------------
diff --git a/MAINTAINERS b/MAINTAINERS
index 95c3fa1f520f..d76af75a653a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10134,7 +10134,7 @@ F: drivers/irqchip/irq-ompic.c
F: drivers/irqchip/irq-or1k-*
OPENVSWITCH
-M: Pravin Shelar <pshelar@nicira.com>
+M: Pravin B Shelar <pshelar@ovn.org>
L: netdev@vger.kernel.org
L: dev@openvswitch.org
W: http://openvswitch.org
diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S
index c7ed26029cbb..e68e6e04063a 100644
--- a/arch/mips/kernel/cps-vec.S
+++ b/arch/mips/kernel/cps-vec.S
@@ -235,6 +235,7 @@ LEAF(mips_cps_core_init)
has_mt t0, 3f
.set push
+ .set MIPS_ISA_LEVEL_RAW
.set mt
/* Only allow 1 TC per VPE to execute... */
@@ -388,6 +389,7 @@ LEAF(mips_cps_boot_vpes)
#elif defined(CONFIG_MIPS_MT)
.set push
+ .set MIPS_ISA_LEVEL_RAW
.set mt
/* If the core doesn't support MT then return */
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 45d0b6b037ee..57028d49c202 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -705,6 +705,18 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value)
struct task_struct *t;
int max_users;
+ /* If nothing to change, return right away, successfully. */
+ if (value == mips_get_process_fp_mode(task))
+ return 0;
+
+ /* Only accept a mode change if 64-bit FP enabled for o32. */
+ if (!IS_ENABLED(CONFIG_MIPS_O32_FP64_SUPPORT))
+ return -EOPNOTSUPP;
+
+ /* And only for o32 tasks. */
+ if (IS_ENABLED(CONFIG_64BIT) && !test_thread_flag(TIF_32BIT_REGS))
+ return -EOPNOTSUPP;
+
/* Check the value is valid */
if (value & ~known_bits)
return -EOPNOTSUPP;
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index efbd8df8b665..0b23b1ad99e6 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -419,63 +419,160 @@ static int gpr64_set(struct task_struct *target,
#endif /* CONFIG_64BIT */
+/*
+ * Copy the floating-point context to the supplied NT_PRFPREG buffer,
+ * !CONFIG_CPU_HAS_MSA variant. FP context's general register slots
+ * correspond 1:1 to buffer slots. Only general registers are copied.
+ */
+static int fpr_get_fpa(struct task_struct *target,
+ unsigned int *pos, unsigned int *count,
+ void **kbuf, void __user **ubuf)
+{
+ return user_regset_copyout(pos, count, kbuf, ubuf,
+ &target->thread.fpu,
+ 0, NUM_FPU_REGS * sizeof(elf_fpreg_t));
+}
+
+/*
+ * Copy the floating-point context to the supplied NT_PRFPREG buffer,
+ * CONFIG_CPU_HAS_MSA variant. Only lower 64 bits of FP context's
+ * general register slots are copied to buffer slots. Only general
+ * registers are copied.
+ */
+static int fpr_get_msa(struct task_struct *target,
+ unsigned int *pos, unsigned int *count,
+ void **kbuf, void __user **ubuf)
+{
+ unsigned int i;
+ u64 fpr_val;
+ int err;
+
+ BUILD_BUG_ON(sizeof(fpr_val) != sizeof(elf_fpreg_t));
+ for (i = 0; i < NUM_FPU_REGS; i++) {
+ fpr_val = get_fpr64(&target->thread.fpu.fpr[i], 0);
+ err = user_regset_copyout(pos, count, kbuf, ubuf,
+ &fpr_val, i * sizeof(elf_fpreg_t),
+ (i + 1) * sizeof(elf_fpreg_t));
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+/*
+ * Copy the floating-point context to the supplied NT_PRFPREG buffer.
+ * Choose the appropriate helper for general registers, and then copy
+ * the FCSR register separately.
+ */
static int fpr_get(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf)
{
- unsigned i;
+ const int fcr31_pos = NUM_FPU_REGS * sizeof(elf_fpreg_t);
int err;
- u64 fpr_val;
- /* XXX fcr31 */
+ if (sizeof(target->thread.fpu.fpr[0]) == sizeof(elf_fpreg_t))
+ err = fpr_get_fpa(target, &pos, &count, &kbuf, &ubuf);
+ else
+ err = fpr_get_msa(target, &pos, &count, &kbuf, &ubuf);
+ if (err)
+ return err;
- if (sizeof(target->thread.fpu.fpr[i]) == sizeof(elf_fpreg_t))
- return user_regset_copyout(&pos, &count, &kbuf, &ubuf,
- &target->thread.fpu,
- 0, sizeof(elf_fpregset_t));
+ err = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
+ &target->thread.fpu.fcr31,
+ fcr31_pos, fcr31_pos + sizeof(u32));
- for (i = 0; i < NUM_FPU_REGS; i++) {
- fpr_val = get_fpr64(&target->thread.fpu.fpr[i], 0);
- err = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
- &fpr_val, i * sizeof(elf_fpreg_t),
- (i + 1) * sizeof(elf_fpreg_t));
+ return err;
+}
+
+/*
+ * Copy the supplied NT_PRFPREG buffer to the floating-point context,
+ * !CONFIG_CPU_HAS_MSA variant. Buffer slots correspond 1:1 to FP
+ * context's general register slots. Only general registers are copied.
+ */
+static int fpr_set_fpa(struct task_struct *target,
+ unsigned int *pos, unsigned int *count,
+ const void **kbuf, const void __user **ubuf)
+{
+ return user_regset_copyin(pos, count, kbuf, ubuf,
+ &target->thread.fpu,
+ 0, NUM_FPU_REGS * sizeof(elf_fpreg_t));
+}
+
+/*
+ * Copy the supplied NT_PRFPREG buffer to the floating-point context,
+ * CONFIG_CPU_HAS_MSA variant. Buffer slots are copied to lower 64
+ * bits only of FP context's general register slots. Only general
+ * registers are copied.
+ */
+static int fpr_set_msa(struct task_struct *target,
+ unsigned int *pos, unsigned int *count,
+ const void **kbuf, const void __user **ubuf)
+{
+ unsigned int i;
+ u64 fpr_val;
+ int err;
+
+ BUILD_BUG_ON(sizeof(fpr_val) != sizeof(elf_fpreg_t));
+ for (i = 0; i < NUM_FPU_REGS && *count > 0; i++) {
+ err = user_regset_copyin(pos, count, kbuf, ubuf,
+ &fpr_val, i * sizeof(elf_fpreg_t),
+ (i + 1) * sizeof(elf_fpreg_t));
if (err)
return err;
+ set_fpr64(&target->thread.fpu.fpr[i], 0, fpr_val);
}
return 0;
}
+/*
+ * Copy the supplied NT_PRFPREG buffer to the floating-point context.
+ * Choose the appropriate helper for general registers, and then copy
+ * the FCSR register separately.
+ *
+ * We optimize for the case where `count % sizeof(elf_fpreg_t) == 0',
+ * which is supposed to have been guaranteed by the kernel before
+ * calling us, e.g. in `ptrace_regset'. We enforce that requirement,
+ * so that we can safely avoid preinitializing temporaries for
+ * partial register writes.
+ */
static int fpr_set(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
- unsigned i;
+ const int fcr31_pos = NUM_FPU_REGS * sizeof(elf_fpreg_t);
+ u32 fcr31;
int err;
- u64 fpr_val;
- /* XXX fcr31 */
+ BUG_ON(count % sizeof(elf_fpreg_t));
+
+ if (pos + count > sizeof(elf_fpregset_t))
+ return -EIO;
init_fp_ctx(target);
- if (sizeof(target->thread.fpu.fpr[i]) == sizeof(elf_fpreg_t))
- return user_regset_copyin(&pos, &count, &kbuf, &ubuf,
- &target->thread.fpu,
- 0, sizeof(elf_fpregset_t));
+ if (sizeof(target->thread.fpu.fpr[0]) == sizeof(elf_fpreg_t))
+ err = fpr_set_fpa(target, &pos, &count, &kbuf, &ubuf);
+ else
+ err = fpr_set_msa(target, &pos, &count, &kbuf, &ubuf);
+ if (err)
+ return err;
- BUILD_BUG_ON(sizeof(fpr_val) != sizeof(elf_fpreg_t));
- for (i = 0; i < NUM_FPU_REGS && count >= sizeof(elf_fpreg_t); i++) {
+ if (count > 0) {
err = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
- &fpr_val, i * sizeof(elf_fpreg_t),
- (i + 1) * sizeof(elf_fpreg_t));
+ &fcr31,
+ fcr31_pos, fcr31_pos + sizeof(u32));
if (err)
return err;
- set_fpr64(&target->thread.fpu.fpr[i], 0, fpr_val);
+
+ ptrace_setfcr31(target, fcr31);
}
- return 0;
+ return err;
}
enum mips_regset {
diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
index e69de29bb2d1..47dacf06c679 100644
--- a/arch/riscv/configs/defconfig
+++ b/arch/riscv/configs/defconfig
@@ -0,0 +1,75 @@
+CONFIG_SMP=y
+CONFIG_PCI=y
+CONFIG_PCIE_XILINX=y
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_CGROUPS=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_CFS_BANDWIDTH=y
+CONFIG_CGROUP_BPF=y
+CONFIG_NAMESPACES=y
+CONFIG_USER_NS=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_EXPERT=y
+CONFIG_CHECKPOINT_RESTORE=y
+CONFIG_BPF_SYSCALL=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+CONFIG_IP_ADVANCED_ROUTER=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
+CONFIG_NETLINK_DIAG=y
+CONFIG_DEVTMPFS=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_VIRTIO_BLK=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_BLK_DEV_SR=y
+CONFIG_ATA=y
+CONFIG_SATA_AHCI=y
+CONFIG_SATA_AHCI_PLATFORM=y
+CONFIG_NETDEVICES=y
+CONFIG_VIRTIO_NET=y
+CONFIG_MACB=y
+CONFIG_E1000E=y
+CONFIG_R8169=y
+CONFIG_MICROSEMI_PHY=y
+CONFIG_INPUT_MOUSEDEV=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_OF_PLATFORM=y
+# CONFIG_PTP_1588_CLOCK is not set
+CONFIG_DRM=y
+CONFIG_DRM_RADEON=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_PLATFORM=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_HCD_PLATFORM=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_HCD_PLATFORM=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_UAS=y
+CONFIG_VIRTIO_MMIO=y
+CONFIG_RAS=y
+CONFIG_EXT4_FS=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_AUTOFS4_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V4=y
+CONFIG_NFS_V4_1=y
+CONFIG_NFS_V4_2=y
+CONFIG_ROOT_NFS=y
+# CONFIG_RCU_TRACE is not set
+CONFIG_CRYPTO_USER_API_HASH=y
diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h
index 0d64bc9f4f91..3c7a2c97e377 100644
--- a/arch/riscv/include/asm/csr.h
+++ b/arch/riscv/include/asm/csr.h
@@ -17,10 +17,10 @@
#include <linux/const.h>
/* Status register flags */
-#define SR_IE _AC(0x00000002, UL) /* Interrupt Enable */
-#define SR_PIE _AC(0x00000020, UL) /* Previous IE */
-#define SR_PS _AC(0x00000100, UL) /* Previously Supervisor */
-#define SR_SUM _AC(0x00040000, UL) /* Supervisor may access User Memory */
+#define SR_SIE _AC(0x00000002, UL) /* Supervisor Interrupt Enable */
+#define SR_SPIE _AC(0x00000020, UL) /* Previous Supervisor IE */
+#define SR_SPP _AC(0x00000100, UL) /* Previously Supervisor */
+#define SR_SUM _AC(0x00040000, UL) /* Supervisor may access User Memory */
#define SR_FS _AC(0x00006000, UL) /* Floating-point Status */
#define SR_FS_OFF _AC(0x00000000, UL)
diff --git a/arch/riscv/include/asm/io.h b/arch/riscv/include/asm/io.h
index a82ce599b639..b269451e7e85 100644
--- a/arch/riscv/include/asm/io.h
+++ b/arch/riscv/include/asm/io.h
@@ -21,8 +21,6 @@
#include <linux/types.h>
-#ifdef CONFIG_MMU
-
extern void __iomem *ioremap(phys_addr_t offset, unsigned long size);
/*
@@ -36,8 +34,6 @@ extern void __iomem *ioremap(phys_addr_t offset, unsigned long size);
extern void iounmap(volatile void __iomem *addr);
-#endif /* CONFIG_MMU */
-
/* Generic IO read/write. These perform native-endian accesses. */
#define __raw_writeb __raw_writeb
static inline void __raw_writeb(u8 val, volatile void __iomem *addr)
diff --git a/arch/riscv/include/asm/irqflags.h b/arch/riscv/include/asm/irqflags.h
index 6fdc860d7f84..07a3c6d5706f 100644
--- a/arch/riscv/include/asm/irqflags.h
+++ b/arch/riscv/include/asm/irqflags.h
@@ -27,25 +27,25 @@ static inline unsigned long arch_local_save_flags(void)
/* unconditionally enable interrupts */
static inline void arch_local_irq_enable(void)
{
- csr_set(sstatus, SR_IE);
+ csr_set(sstatus, SR_SIE);
}
/* unconditionally disable interrupts */
static inline void arch_local_irq_disable(void)
{
- csr_clear(sstatus, SR_IE);
+ csr_clear(sstatus, SR_SIE);
}
/* get status and disable interrupts */
static inline unsigned long arch_local_irq_save(void)
{
- return csr_read_clear(sstatus, SR_IE);
+ return csr_read_clear(sstatus, SR_SIE);
}
/* test flags */
static inline int arch_irqs_disabled_flags(unsigned long flags)
{
- return !(flags & SR_IE);
+ return !(flags & SR_SIE);
}
/* test hardware interrupt enable bit */
@@ -57,7 +57,7 @@ static inline int arch_irqs_disabled(void)
/* set interrupt enabled status */
static inline void arch_local_irq_restore(unsigned long flags)
{
- csr_set(sstatus, flags & SR_IE);
+ csr_set(sstatus, flags & SR_SIE);
}
#endif /* _ASM_RISCV_IRQFLAGS_H */
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 2cbd92ed1629..16301966d65b 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -20,8 +20,6 @@
#ifndef __ASSEMBLY__
-#ifdef CONFIG_MMU
-
/* Page Upper Directory not used in RISC-V */
#include <asm-generic/pgtable-nopud.h>
#include <asm/page.h>
@@ -413,8 +411,6 @@ static inline void pgtable_cache_init(void)
/* No page table caches to initialize */
}
-#endif /* CONFIG_MMU */
-
#define VMALLOC_SIZE (KERN_VIRT_SIZE >> 1)
#define VMALLOC_END (PAGE_OFFSET - 1)
#define VMALLOC_START (PAGE_OFFSET - VMALLOC_SIZE)
diff --git a/arch/riscv/include/asm/ptrace.h b/arch/riscv/include/asm/ptrace.h
index 93b8956e25e4..2c5df945d43c 100644
--- a/arch/riscv/include/asm/ptrace.h
+++ b/arch/riscv/include/asm/ptrace.h
@@ -66,7 +66,7 @@ struct pt_regs {
#define REG_FMT "%08lx"
#endif
-#define user_mode(regs) (((regs)->sstatus & SR_PS) == 0)
+#define user_mode(regs) (((regs)->sstatus & SR_SPP) == 0)
/* Helpers for working with the instruction pointer */
diff --git a/arch/riscv/include/asm/tlbflush.h b/arch/riscv/include/asm/tlbflush.h
index 715b0f10af58..7b9c24ebdf52 100644
--- a/arch/riscv/include/asm/tlbflush.h
+++ b/arch/riscv/include/asm/tlbflush.h
@@ -15,8 +15,6 @@
#ifndef _ASM_RISCV_TLBFLUSH_H
#define _ASM_RISCV_TLBFLUSH_H
-#ifdef CONFIG_MMU
-
#include <linux/mm_types.h>
/*
@@ -64,6 +62,4 @@ static inline void flush_tlb_kernel_range(unsigned long start,
flush_tlb_all();
}
-#endif /* CONFIG_MMU */
-
#endif /* _ASM_RISCV_TLBFLUSH_H */
diff --git a/arch/riscv/include/asm/uaccess.h b/arch/riscv/include/asm/uaccess.h
index 27b90d64814b..14b0b22fb578 100644
--- a/arch/riscv/include/asm/uaccess.h
+++ b/arch/riscv/include/asm/uaccess.h
@@ -127,7 +127,6 @@ extern int fixup_exception(struct pt_regs *state);
* call.
*/
-#ifdef CONFIG_MMU
#define __get_user_asm(insn, x, ptr, err) \
do { \
uintptr_t __tmp; \
@@ -153,13 +152,11 @@ do { \
__disable_user_access(); \
(x) = __x; \
} while (0)
-#endif /* CONFIG_MMU */
#ifdef CONFIG_64BIT
#define __get_user_8(x, ptr, err) \
__get_user_asm("ld", x, ptr, err)
#else /* !CONFIG_64BIT */
-#ifdef CONFIG_MMU
#define __get_user_8(x, ptr, err) \
do { \
u32 __user *__ptr = (u32 __user *)(ptr); \
@@ -193,7 +190,6 @@ do { \
(x) = (__typeof__(x))((__typeof__((x)-(x)))( \
(((u64)__hi << 32) | __lo))); \
} while (0)
-#endif /* CONFIG_MMU */
#endif /* CONFIG_64BIT */
@@ -267,8 +263,6 @@ do { \
((x) = 0, -EFAULT); \
})
-
-#ifdef CONFIG_MMU
#define __put_user_asm(insn, x, ptr, err) \
do { \
uintptr_t __tmp; \
@@ -292,14 +286,11 @@ do { \
: "rJ" (__x), "i" (-EFAULT)); \
__disable_user_access(); \
} while (0)
-#endif /* CONFIG_MMU */
-
#ifdef CONFIG_64BIT
#define __put_user_8(x, ptr, err) \
__put_user_asm("sd", x, ptr, err)
#else /* !CONFIG_64BIT */
-#ifdef CONFIG_MMU
#define __put_user_8(x, ptr, err) \
do { \
u32 __user *__ptr = (u32 __user *)(ptr); \
@@ -329,7 +320,6 @@ do { \
: "rJ" (__x), "rJ" (__x >> 32), "i" (-EFAULT)); \
__disable_user_access(); \
} while (0)
-#endif /* CONFIG_MMU */
#endif /* CONFIG_64BIT */
@@ -438,7 +428,6 @@ unsigned long __must_check clear_user(void __user *to, unsigned long n)
* will set "err" to -EFAULT, while successful accesses return the previous
* value.
*/
-#ifdef CONFIG_MMU
#define __cmpxchg_user(ptr, old, new, err, size, lrb, scb) \
({ \
__typeof__(ptr) __ptr = (ptr); \
@@ -508,6 +497,5 @@ unsigned long __must_check clear_user(void __user *to, unsigned long n)
(err) = __err; \
__ret; \
})
-#endif /* CONFIG_MMU */
#endif /* _ASM_RISCV_UACCESS_H */
diff --git a/arch/riscv/include/asm/unistd.h b/arch/riscv/include/asm/unistd.h
index 9f250ed007cd..2f704a5c4196 100644
--- a/arch/riscv/include/asm/unistd.h
+++ b/arch/riscv/include/asm/unistd.h
@@ -14,3 +14,4 @@
#define __ARCH_HAVE_MMU
#define __ARCH_WANT_SYS_CLONE
#include <uapi/asm/unistd.h>
+#include <uapi/asm/syscalls.h>
diff --git a/arch/riscv/include/asm/vdso-syscalls.h b/arch/riscv/include/asm/vdso-syscalls.h
deleted file mode 100644
index a2ccf1894929..000000000000
--- a/arch/riscv/include/asm/vdso-syscalls.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * Copyright (C) 2017 SiFive
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef _ASM_RISCV_VDSO_SYSCALLS_H
-#define _ASM_RISCV_VDSO_SYSCALLS_H
-
-#ifdef CONFIG_SMP
-
-/* These syscalls are only used by the vDSO and are not in the uapi. */
-#define __NR_riscv_flush_icache (__NR_arch_specific_syscall + 15)
-__SYSCALL(__NR_riscv_flush_icache, sys_riscv_flush_icache)
-
-#endif
-
-#endif /* _ASM_RISCV_VDSO_H */
diff --git a/arch/riscv/include/uapi/asm/syscalls.h b/arch/riscv/include/uapi/asm/syscalls.h
new file mode 100644
index 000000000000..818655b0d535
--- /dev/null
+++ b/arch/riscv/include/uapi/asm/syscalls.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2017 SiFive
+ */
+
+#ifndef _ASM__UAPI__SYSCALLS_H
+#define _ASM__UAPI__SYSCALLS_H
+
+/*
+ * Allows the instruction cache to be flushed from userspace. Despite RISC-V
+ * having a direct 'fence.i' instruction available to userspace (which we
+ * can't trap!), that's not actually viable when running on Linux because the
+ * kernel might schedule a process on another hart. There is no way for
+ * userspace to handle this without invoking the kernel (as it doesn't know the
+ * thread->hart mappings), so we've defined a RISC-V specific system call to
+ * flush the instruction cache.
+ *
+ * __NR_riscv_flush_icache is defined to flush the instruction cache over an
+ * address range, with the flush applying to either all threads or just the
+ * caller. We don't currently do anything with the address range, that's just
+ * in there for forwards compatibility.
+ */
+#define __NR_riscv_flush_icache (__NR_arch_specific_syscall + 15)
+__SYSCALL(__NR_riscv_flush_icache, sys_riscv_flush_icache)
+
+#endif
diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S
index 20ee86f782a9..7404ec222406 100644
--- a/arch/riscv/kernel/entry.S
+++ b/arch/riscv/kernel/entry.S
@@ -196,7 +196,7 @@ handle_syscall:
addi s2, s2, 0x4
REG_S s2, PT_SEPC(sp)
/* System calls run with interrupts enabled */
- csrs sstatus, SR_IE
+ csrs sstatus, SR_SIE
/* Trace syscalls, but only if requested by the user. */
REG_L t0, TASK_TI_FLAGS(tp)
andi t0, t0, _TIF_SYSCALL_TRACE
@@ -224,8 +224,8 @@ ret_from_syscall:
ret_from_exception:
REG_L s0, PT_SSTATUS(sp)
- csrc sstatus, SR_IE
- andi s0, s0, SR_PS
+ csrc sstatus, SR_SIE
+ andi s0, s0, SR_SPP
bnez s0, restore_all
resume_userspace:
@@ -255,7 +255,7 @@ work_pending:
bnez s1, work_resched
work_notifysig:
/* Handle pending signals and notify-resume requests */
- csrs sstatus, SR_IE /* Enable interrupts for do_notify_resume() */
+ csrs sstatus, SR_SIE /* Enable interrupts for do_notify_resume() */
move a0, sp /* pt_regs */
move a1, s0 /* current_thread_info->flags */
tail do_notify_resume
diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c
index 0d90dcc1fbd3..d74d4adf2d54 100644
--- a/arch/riscv/kernel/process.c
+++ b/arch/riscv/kernel/process.c
@@ -76,7 +76,7 @@ void show_regs(struct pt_regs *regs)
void start_thread(struct pt_regs *regs, unsigned long pc,
unsigned long sp)
{
- regs->sstatus = SR_PIE /* User mode, irqs on */ | SR_FS_INITIAL;
+ regs->sstatus = SR_SPIE /* User mode, irqs on */ | SR_FS_INITIAL;
regs->sepc = pc;
regs->sp = sp;
set_fs(USER_DS);
@@ -110,7 +110,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
const register unsigned long gp __asm__ ("gp");
memset(childregs, 0, sizeof(struct pt_regs));
childregs->gp = gp;
- childregs->sstatus = SR_PS | SR_PIE; /* Supervisor, irqs on */
+ childregs->sstatus = SR_SPP | SR_SPIE; /* Supervisor, irqs on */
p->thread.ra = (unsigned long)ret_from_kernel_thread;
p->thread.s[0] = usp; /* fn */
diff --git a/arch/riscv/kernel/syscall_table.c b/arch/riscv/kernel/syscall_table.c
index a5bd6401f95e..ade52b903a43 100644
--- a/arch/riscv/kernel/syscall_table.c
+++ b/arch/riscv/kernel/syscall_table.c
@@ -23,5 +23,4 @@
void *sys_call_table[__NR_syscalls] = {
[0 ... __NR_syscalls - 1] = sys_ni_syscall,
#include <asm/unistd.h>
-#include <asm/vdso-syscalls.h>
};
diff --git a/arch/riscv/kernel/vdso/flush_icache.S b/arch/riscv/kernel/vdso/flush_icache.S
index b0fbad74e873..023e4d4aef58 100644
--- a/arch/riscv/kernel/vdso/flush_icache.S
+++ b/arch/riscv/kernel/vdso/flush_icache.S
@@ -13,7 +13,6 @@
#include <linux/linkage.h>
#include <asm/unistd.h>
-#include <asm/vdso-syscalls.h>
.text
/* int __vdso_flush_icache(void *start, void *end, unsigned long flags); */
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index df2ca3c65048..0713f3c67ab4 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -63,7 +63,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs)
goto vmalloc_fault;
/* Enable interrupts if they were enabled in the parent context. */
- if (likely(regs->sstatus & SR_PIE))
+ if (likely(regs->sstatus & SR_SPIE))
local_irq_enable();
/*
diff --git a/arch/sh/boards/mach-se/770x/setup.c b/arch/sh/boards/mach-se/770x/setup.c
index 77c35350ee77..412326d59e6f 100644
--- a/arch/sh/boards/mach-se/770x/setup.c
+++ b/arch/sh/boards/mach-se/770x/setup.c
@@ -9,6 +9,7 @@
*/
#include <linux/init.h>
#include <linux/platform_device.h>
+#include <linux/sh_eth.h>
#include <mach-se/mach/se.h>
#include <mach-se/mach/mrshpc.h>
#include <asm/machvec.h>
@@ -115,13 +116,23 @@ static struct platform_device heartbeat_device = {
#if defined(CONFIG_CPU_SUBTYPE_SH7710) ||\
defined(CONFIG_CPU_SUBTYPE_SH7712)
/* SH771X Ethernet driver */
+static struct sh_eth_plat_data sh_eth_plat = {
+ .phy = PHY_ID,
+ .phy_interface = PHY_INTERFACE_MODE_MII,
+};
+
static struct resource sh_eth0_resources[] = {
[0] = {
.start = SH_ETH0_BASE,
- .end = SH_ETH0_BASE + 0x1B8,
+ .end = SH_ETH0_BASE + 0x1B8 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
+ .start = SH_TSU_BASE,
+ .end = SH_TSU_BASE + 0x200 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
.start = SH_ETH0_IRQ,
.end = SH_ETH0_IRQ,
.flags = IORESOURCE_IRQ,
@@ -132,7 +143,7 @@ static struct platform_device sh_eth0_device = {
.name = "sh771x-ether",
.id = 0,
.dev = {
- .platform_data = PHY_ID,
+ .platform_data = &sh_eth_plat,
},
.num_resources = ARRAY_SIZE(sh_eth0_resources),
.resource = sh_eth0_resources,
@@ -141,10 +152,15 @@ static struct platform_device sh_eth0_device = {
static struct resource sh_eth1_resources[] = {
[0] = {
.start = SH_ETH1_BASE,
- .end = SH_ETH1_BASE + 0x1B8,
+ .end = SH_ETH1_BASE + 0x1B8 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
+ .start = SH_TSU_BASE,
+ .end = SH_TSU_BASE + 0x200 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
.start = SH_ETH1_IRQ,
.end = SH_ETH1_IRQ,
.flags = IORESOURCE_IRQ,
@@ -155,7 +171,7 @@ static struct platform_device sh_eth1_device = {
.name = "sh771x-ether",
.id = 1,
.dev = {
- .platform_data = PHY_ID,
+ .platform_data = &sh_eth_plat,
},
.num_resources = ARRAY_SIZE(sh_eth1_resources),
.resource = sh_eth1_resources,
diff --git a/arch/sh/include/mach-se/mach/se.h b/arch/sh/include/mach-se/mach/se.h
index 4246ef9b07a3..aa83fe1ff0b1 100644
--- a/arch/sh/include/mach-se/mach/se.h
+++ b/arch/sh/include/mach-se/mach/se.h
@@ -100,6 +100,7 @@
/* Base address */
#define SH_ETH0_BASE 0xA7000000
#define SH_ETH1_BASE 0xA7000400
+#define SH_TSU_BASE 0xA7000800
/* PHY ID */
#if defined(CONFIG_CPU_SUBTYPE_SH7710)
# define PHY_ID 0x00
diff --git a/block/blk-core.c b/block/blk-core.c
index b8881750a3ac..3ba4326a63b5 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -562,6 +562,13 @@ static void __blk_drain_queue(struct request_queue *q, bool drain_all)
}
}
+void blk_drain_queue(struct request_queue *q)
+{
+ spin_lock_irq(q->queue_lock);
+ __blk_drain_queue(q, true);
+ spin_unlock_irq(q->queue_lock);
+}
+
/**
* blk_queue_bypass_start - enter queue bypass mode
* @q: queue of interest
@@ -689,8 +696,6 @@ void blk_cleanup_queue(struct request_queue *q)
*/
blk_freeze_queue(q);
spin_lock_irq(lock);
- if (!q->mq_ops)
- __blk_drain_queue(q, true);
queue_flag_set(QUEUE_FLAG_DEAD, q);
spin_unlock_irq(lock);
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 11097477eeab..3d3797327491 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -161,6 +161,8 @@ void blk_freeze_queue(struct request_queue *q)
* exported to drivers as the only user for unfreeze is blk_mq.
*/
blk_freeze_queue_start(q);
+ if (!q->mq_ops)
+ blk_drain_queue(q);
blk_mq_freeze_queue_wait(q);
}
diff --git a/block/blk.h b/block/blk.h
index 3f1446937aec..442098aa9463 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -330,4 +330,6 @@ static inline void blk_queue_bounce(struct request_queue *q, struct bio **bio)
}
#endif /* CONFIG_BOUNCE */
+extern void blk_drain_queue(struct request_queue *q);
+
#endif /* BLK_INTERNAL_H */
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index bc8e61506968..d5fe720cf149 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1581,9 +1581,8 @@ out:
return err;
}
-static void lo_release(struct gendisk *disk, fmode_t mode)
+static void __lo_release(struct loop_device *lo)
{
- struct loop_device *lo = disk->private_data;
int err;
if (atomic_dec_return(&lo->lo_refcnt))
@@ -1610,6 +1609,13 @@ static void lo_release(struct gendisk *disk, fmode_t mode)
mutex_unlock(&lo->lo_ctl_mutex);
}
+static void lo_release(struct gendisk *disk, fmode_t mode)
+{
+ mutex_lock(&loop_index_mutex);
+ __lo_release(disk->private_data);
+ mutex_unlock(&loop_index_mutex);
+}
+
static const struct block_device_operations lo_fops = {
.owner = THIS_MODULE,
.open = lo_open,
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 44332b793718..14532d9576e4 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -2893,6 +2893,27 @@ void gpiod_set_raw_value(struct gpio_desc *desc, int value)
EXPORT_SYMBOL_GPL(gpiod_set_raw_value);
/**
+ * gpiod_set_value_nocheck() - set a GPIO line value without checking
+ * @desc: the descriptor to set the value on
+ * @value: value to set
+ *
+ * This sets the value of a GPIO line backing a descriptor, applying
+ * different semantic quirks like active low and open drain/source
+ * handling.
+ */
+static void gpiod_set_value_nocheck(struct gpio_desc *desc, int value)
+{
+ if (test_bit(FLAG_ACTIVE_LOW, &desc->flags))
+ value = !value;
+ if (test_bit(FLAG_OPEN_DRAIN, &desc->flags))
+ gpio_set_open_drain_value_commit(desc, value);
+ else if (test_bit(FLAG_OPEN_SOURCE, &desc->flags))
+ gpio_set_open_source_value_commit(desc, value);
+ else
+ gpiod_set_raw_value_commit(desc, value);
+}
+
+/**
* gpiod_set_value() - assign a gpio's value
* @desc: gpio whose value will be assigned
* @value: value to assign
@@ -2906,16 +2927,8 @@ EXPORT_SYMBOL_GPL(gpiod_set_raw_value);
void gpiod_set_value(struct gpio_desc *desc, int value)
{
VALIDATE_DESC_VOID(desc);
- /* Should be using gpiod_set_value_cansleep() */
WARN_ON(desc->gdev->chip->can_sleep);
- if (test_bit(FLAG_ACTIVE_LOW, &desc->flags))
- value = !value;
- if (test_bit(FLAG_OPEN_DRAIN, &desc->flags))
- gpio_set_open_drain_value_commit(desc, value);
- else if (test_bit(FLAG_OPEN_SOURCE, &desc->flags))
- gpio_set_open_source_value_commit(desc, value);
- else
- gpiod_set_raw_value_commit(desc, value);
+ gpiod_set_value_nocheck(desc, value);
}
EXPORT_SYMBOL_GPL(gpiod_set_value);
@@ -3243,9 +3256,7 @@ void gpiod_set_value_cansleep(struct gpio_desc *desc, int value)
{
might_sleep_if(extra_checks);
VALIDATE_DESC_VOID(desc);
- if (test_bit(FLAG_ACTIVE_LOW, &desc->flags))
- value = !value;
- gpiod_set_raw_value_commit(desc, value);
+ gpiod_set_value_nocheck(desc, value);
}
EXPORT_SYMBOL_GPL(gpiod_set_value_cansleep);
diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h
index a1d687a664f8..66f0268f37a6 100644
--- a/drivers/infiniband/core/core_priv.h
+++ b/drivers/infiniband/core/core_priv.h
@@ -314,7 +314,7 @@ static inline int ib_mad_enforce_security(struct ib_mad_agent_private *map,
}
#endif
-struct ib_device *__ib_device_get_by_index(u32 ifindex);
+struct ib_device *ib_device_get_by_index(u32 ifindex);
/* RDMA device netlink */
void nldev_init(void);
void nldev_exit(void);
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index 30914f3baa5f..465520627e4b 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -134,7 +134,7 @@ static int ib_device_check_mandatory(struct ib_device *device)
return 0;
}
-struct ib_device *__ib_device_get_by_index(u32 index)
+static struct ib_device *__ib_device_get_by_index(u32 index)
{
struct ib_device *device;
@@ -145,6 +145,22 @@ struct ib_device *__ib_device_get_by_index(u32 index)
return NULL;
}
+/*
+ * Caller is responsible to return refrerence count by calling put_device()
+ */
+struct ib_device *ib_device_get_by_index(u32 index)
+{
+ struct ib_device *device;
+
+ down_read(&lists_rwsem);
+ device = __ib_device_get_by_index(index);
+ if (device)
+ get_device(&device->dev);
+
+ up_read(&lists_rwsem);
+ return device;
+}
+
static struct ib_device *__ib_device_get_by_name(const char *name)
{
struct ib_device *device;
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index 9a05245a1acf..0dcd1aa6f683 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -142,27 +142,34 @@ static int nldev_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = __ib_device_get_by_index(index);
+ device = ib_device_get_by_index(index);
if (!device)
return -EINVAL;
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
- if (!msg)
- return -ENOMEM;
+ if (!msg) {
+ err = -ENOMEM;
+ goto err;
+ }
nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq,
RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_GET),
0, 0);
err = fill_dev_info(msg, device);
- if (err) {
- nlmsg_free(msg);
- return err;
- }
+ if (err)
+ goto err_free;
nlmsg_end(msg, nlh);
+ put_device(&device->dev);
return rdma_nl_unicast(msg, NETLINK_CB(skb).portid);
+
+err_free:
+ nlmsg_free(msg);
+err:
+ put_device(&device->dev);
+ return err;
}
static int _nldev_get_dumpit(struct ib_device *device,
@@ -220,31 +227,40 @@ static int nldev_port_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = __ib_device_get_by_index(index);
+ device = ib_device_get_by_index(index);
if (!device)
return -EINVAL;
port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]);
- if (!rdma_is_port_valid(device, port))
- return -EINVAL;
+ if (!rdma_is_port_valid(device, port)) {
+ err = -EINVAL;
+ goto err;
+ }
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
- if (!msg)
- return -ENOMEM;
+ if (!msg) {
+ err = -ENOMEM;
+ goto err;
+ }
nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq,
RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_GET),
0, 0);
err = fill_port_info(msg, device, port);
- if (err) {
- nlmsg_free(msg);
- return err;
- }
+ if (err)
+ goto err_free;
nlmsg_end(msg, nlh);
+ put_device(&device->dev);
return rdma_nl_unicast(msg, NETLINK_CB(skb).portid);
+
+err_free:
+ nlmsg_free(msg);
+err:
+ put_device(&device->dev);
+ return err;
}
static int nldev_port_get_dumpit(struct sk_buff *skb,
@@ -265,7 +281,7 @@ static int nldev_port_get_dumpit(struct sk_buff *skb,
return -EINVAL;
ifindex = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = __ib_device_get_by_index(ifindex);
+ device = ib_device_get_by_index(ifindex);
if (!device)
return -EINVAL;
@@ -299,7 +315,9 @@ static int nldev_port_get_dumpit(struct sk_buff *skb,
nlmsg_end(skb, nlh);
}
-out: cb->args[0] = idx;
+out:
+ put_device(&device->dev);
+ cb->args[0] = idx;
return skb->len;
}
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index 313bfb9ccb71..4975f3e6596e 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -642,7 +642,6 @@ struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
goto err_free_mr;
mr->max_pages = max_num_sg;
-
err = mlx4_mr_enable(dev->dev, &mr->mmr);
if (err)
goto err_free_pl;
@@ -653,6 +652,7 @@ struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
return &mr->ibmr;
err_free_pl:
+ mr->ibmr.device = pd->device;
mlx4_free_priv_pages(mr);
err_free_mr:
(void) mlx4_mr_free(dev->dev, &mr->mmr);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 12b7f911f0e5..8880351df179 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -902,8 +902,8 @@ static int path_rec_start(struct net_device *dev,
return 0;
}
-static void neigh_add_path(struct sk_buff *skb, u8 *daddr,
- struct net_device *dev)
+static struct ipoib_neigh *neigh_add_path(struct sk_buff *skb, u8 *daddr,
+ struct net_device *dev)
{
struct ipoib_dev_priv *priv = ipoib_priv(dev);
struct rdma_netdev *rn = netdev_priv(dev);
@@ -917,7 +917,15 @@ static void neigh_add_path(struct sk_buff *skb, u8 *daddr,
spin_unlock_irqrestore(&priv->lock, flags);
++dev->stats.tx_dropped;
dev_kfree_skb_any(skb);
- return;
+ return NULL;
+ }
+
+ /* To avoid race condition, make sure that the
+ * neigh will be added only once.
+ */
+ if (unlikely(!list_empty(&neigh->list))) {
+ spin_unlock_irqrestore(&priv->lock, flags);
+ return neigh;
}
path = __path_find(dev, daddr + 4);
@@ -956,7 +964,7 @@ static void neigh_add_path(struct sk_buff *skb, u8 *daddr,
path->ah->last_send = rn->send(dev, skb, path->ah->ah,
IPOIB_QPN(daddr));
ipoib_neigh_put(neigh);
- return;
+ return NULL;
}
} else {
neigh->ah = NULL;
@@ -973,7 +981,7 @@ static void neigh_add_path(struct sk_buff *skb, u8 *daddr,
spin_unlock_irqrestore(&priv->lock, flags);
ipoib_neigh_put(neigh);
- return;
+ return NULL;
err_path:
ipoib_neigh_free(neigh);
@@ -983,6 +991,8 @@ err_drop:
spin_unlock_irqrestore(&priv->lock, flags);
ipoib_neigh_put(neigh);
+
+ return NULL;
}
static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
@@ -1091,8 +1101,9 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
case htons(ETH_P_TIPC):
neigh = ipoib_neigh_get(dev, phdr->hwaddr);
if (unlikely(!neigh)) {
- neigh_add_path(skb, phdr->hwaddr, dev);
- return NETDEV_TX_OK;
+ neigh = neigh_add_path(skb, phdr->hwaddr, dev);
+ if (likely(!neigh))
+ return NETDEV_TX_OK;
}
break;
case htons(ETH_P_ARP):
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 93e149efc1f5..9b3f47ae2016 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -816,7 +816,10 @@ void ipoib_mcast_send(struct net_device *dev, u8 *daddr, struct sk_buff *skb)
spin_lock_irqsave(&priv->lock, flags);
if (!neigh) {
neigh = ipoib_neigh_alloc(daddr, dev);
- if (neigh) {
+ /* Make sure that the neigh will be added only
+ * once to mcast list.
+ */
+ if (neigh && list_empty(&neigh->list)) {
kref_get(&mcast->ah->ref);
neigh->ah = mcast->ah;
list_add_tail(&neigh->list, &mcast->neigh_list);
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 8a1bd354b1cc..bfa576aa9f03 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -1013,8 +1013,7 @@ static int srpt_init_ch_qp(struct srpt_rdma_ch *ch, struct ib_qp *qp)
return -ENOMEM;
attr->qp_state = IB_QPS_INIT;
- attr->qp_access_flags = IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_READ |
- IB_ACCESS_REMOTE_WRITE;
+ attr->qp_access_flags = IB_ACCESS_LOCAL_WRITE;
attr->port_num = ch->sport->port;
attr->pkey_index = 0;
@@ -2078,7 +2077,7 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id,
goto destroy_ib;
}
- guid = (__be16 *)&param->primary_path->sgid.global.interface_id;
+ guid = (__be16 *)&param->primary_path->dgid.global.interface_id;
snprintf(ch->ini_guid, sizeof(ch->ini_guid), "%04x:%04x:%04x:%04x",
be16_to_cpu(guid[0]), be16_to_cpu(guid[1]),
be16_to_cpu(guid[2]), be16_to_cpu(guid[3]));
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 0626dcfd1f3d..760d2c07e3a2 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -526,7 +526,7 @@ static int flexcan_start_xmit(struct sk_buff *skb, struct net_device *dev)
data = be32_to_cpup((__be32 *)&cf->data[0]);
flexcan_write(data, &priv->tx_mb->data[0]);
}
- if (cf->can_dlc > 3) {
+ if (cf->can_dlc > 4) {
data = be32_to_cpup((__be32 *)&cf->data[4]);
flexcan_write(data, &priv->tx_mb->data[1]);
}
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index b00358297424..12ff0020ecd6 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -395,6 +395,7 @@ static void ems_usb_rx_err(struct ems_usb *dev, struct ems_cpc_msg *msg)
if (dev->can.state == CAN_STATE_ERROR_WARNING ||
dev->can.state == CAN_STATE_ERROR_PASSIVE) {
+ cf->can_id |= CAN_ERR_CRTL;
cf->data[1] = (txerr > rxerr) ?
CAN_ERR_CRTL_TX_PASSIVE : CAN_ERR_CRTL_RX_PASSIVE;
}
diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
index 68ac3e88a8ce..8bf80ad9dc44 100644
--- a/drivers/net/can/usb/gs_usb.c
+++ b/drivers/net/can/usb/gs_usb.c
@@ -449,7 +449,7 @@ static int gs_usb_set_bittiming(struct net_device *netdev)
dev_err(netdev->dev.parent, "Couldn't set bittimings (err=%d)",
rc);
- return rc;
+ return (rc > 0) ? 0 : rc;
}
static void gs_usb_xmit_callback(struct urb *urb)
diff --git a/drivers/net/can/vxcan.c b/drivers/net/can/vxcan.c
index 8404e8852a0f..b4c4a2c76437 100644
--- a/drivers/net/can/vxcan.c
+++ b/drivers/net/can/vxcan.c
@@ -194,7 +194,7 @@ static int vxcan_newlink(struct net *net, struct net_device *dev,
tbp = peer_tb;
}
- if (tbp[IFLA_IFNAME]) {
+ if (ifmp && tbp[IFLA_IFNAME]) {
nla_strlcpy(ifname, tbp[IFLA_IFNAME], IFNAMSIZ);
name_assign_type = NET_NAME_USER;
} else {
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index f5a8dd96fd75..4498ab897d94 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1500,10 +1500,13 @@ static enum dsa_tag_protocol b53_get_tag_protocol(struct dsa_switch *ds,
{
struct b53_device *dev = ds->priv;
- /* Older models support a different tag format that we do not
- * support in net/dsa/tag_brcm.c yet.
+ /* Older models (5325, 5365) support a different tag format that we do
+ * not support in net/dsa/tag_brcm.c yet. 539x and 531x5 require managed
+ * mode to be turned on which means we need to specifically manage ARL
+ * misses on multicast addresses (TBD).
*/
- if (is5325(dev) || is5365(dev) || !b53_can_enable_brcm_tags(ds, port))
+ if (is5325(dev) || is5365(dev) || is539x(dev) || is531x5(dev) ||
+ !b53_can_enable_brcm_tags(ds, port))
return DSA_TAG_PROTO_NONE;
/* Broadcom BCM58xx chips have a flow accelerator on Port 8
diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c
index f4e13a7014bd..36c8950dbd2d 100644
--- a/drivers/net/ethernet/3com/3c59x.c
+++ b/drivers/net/ethernet/3com/3c59x.c
@@ -602,7 +602,7 @@ struct vortex_private {
struct sk_buff* rx_skbuff[RX_RING_SIZE];
struct sk_buff* tx_skbuff[TX_RING_SIZE];
unsigned int cur_rx, cur_tx; /* The next free ring entry */
- unsigned int dirty_rx, dirty_tx; /* The ring entries to be free()ed. */
+ unsigned int dirty_tx; /* The ring entries to be free()ed. */
struct vortex_extra_stats xstats; /* NIC-specific extra stats */
struct sk_buff *tx_skb; /* Packet being eaten by bus master ctrl. */
dma_addr_t tx_skb_dma; /* Allocated DMA address for bus master ctrl DMA. */
@@ -618,7 +618,6 @@ struct vortex_private {
/* The remainder are related to chip state, mostly media selection. */
struct timer_list timer; /* Media selection timer. */
- struct timer_list rx_oom_timer; /* Rx skb allocation retry timer */
int options; /* User-settable misc. driver options. */
unsigned int media_override:4, /* Passed-in media type. */
default_media:4, /* Read from the EEPROM/Wn3_Config. */
@@ -760,7 +759,6 @@ static void mdio_sync(struct vortex_private *vp, int bits);
static int mdio_read(struct net_device *dev, int phy_id, int location);
static void mdio_write(struct net_device *vp, int phy_id, int location, int value);
static void vortex_timer(struct timer_list *t);
-static void rx_oom_timer(struct timer_list *t);
static netdev_tx_t vortex_start_xmit(struct sk_buff *skb,
struct net_device *dev);
static netdev_tx_t boomerang_start_xmit(struct sk_buff *skb,
@@ -1601,7 +1599,6 @@ vortex_up(struct net_device *dev)
timer_setup(&vp->timer, vortex_timer, 0);
mod_timer(&vp->timer, RUN_AT(media_tbl[dev->if_port].wait));
- timer_setup(&vp->rx_oom_timer, rx_oom_timer, 0);
if (vortex_debug > 1)
pr_debug("%s: Initial media type %s.\n",
@@ -1676,7 +1673,7 @@ vortex_up(struct net_device *dev)
window_write16(vp, 0x0040, 4, Wn4_NetDiag);
if (vp->full_bus_master_rx) { /* Boomerang bus master. */
- vp->cur_rx = vp->dirty_rx = 0;
+ vp->cur_rx = 0;
/* Initialize the RxEarly register as recommended. */
iowrite16(SetRxThreshold + (1536>>2), ioaddr + EL3_CMD);
iowrite32(0x0020, ioaddr + PktStatus);
@@ -1729,6 +1726,7 @@ vortex_open(struct net_device *dev)
struct vortex_private *vp = netdev_priv(dev);
int i;
int retval;
+ dma_addr_t dma;
/* Use the now-standard shared IRQ implementation. */
if ((retval = request_irq(dev->irq, vp->full_bus_master_rx ?
@@ -1753,7 +1751,11 @@ vortex_open(struct net_device *dev)
break; /* Bad news! */
skb_reserve(skb, NET_IP_ALIGN); /* Align IP on 16 byte boundaries */
- vp->rx_ring[i].addr = cpu_to_le32(pci_map_single(VORTEX_PCI(vp), skb->data, PKT_BUF_SZ, PCI_DMA_FROMDEVICE));
+ dma = pci_map_single(VORTEX_PCI(vp), skb->data,
+ PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
+ if (dma_mapping_error(&VORTEX_PCI(vp)->dev, dma))
+ break;
+ vp->rx_ring[i].addr = cpu_to_le32(dma);
}
if (i != RX_RING_SIZE) {
pr_emerg("%s: no memory for rx ring\n", dev->name);
@@ -2067,6 +2069,12 @@ vortex_start_xmit(struct sk_buff *skb, struct net_device *dev)
int len = (skb->len + 3) & ~3;
vp->tx_skb_dma = pci_map_single(VORTEX_PCI(vp), skb->data, len,
PCI_DMA_TODEVICE);
+ if (dma_mapping_error(&VORTEX_PCI(vp)->dev, vp->tx_skb_dma)) {
+ dev_kfree_skb_any(skb);
+ dev->stats.tx_dropped++;
+ return NETDEV_TX_OK;
+ }
+
spin_lock_irq(&vp->window_lock);
window_set(vp, 7);
iowrite32(vp->tx_skb_dma, ioaddr + Wn7_MasterAddr);
@@ -2593,7 +2601,7 @@ boomerang_rx(struct net_device *dev)
int entry = vp->cur_rx % RX_RING_SIZE;
void __iomem *ioaddr = vp->ioaddr;
int rx_status;
- int rx_work_limit = vp->dirty_rx + RX_RING_SIZE - vp->cur_rx;
+ int rx_work_limit = RX_RING_SIZE;
if (vortex_debug > 5)
pr_debug("boomerang_rx(): status %4.4x\n", ioread16(ioaddr+EL3_STATUS));
@@ -2614,7 +2622,8 @@ boomerang_rx(struct net_device *dev)
} else {
/* The packet length: up to 4.5K!. */
int pkt_len = rx_status & 0x1fff;
- struct sk_buff *skb;
+ struct sk_buff *skb, *newskb;
+ dma_addr_t newdma;
dma_addr_t dma = le32_to_cpu(vp->rx_ring[entry].addr);
if (vortex_debug > 4)
@@ -2633,9 +2642,27 @@ boomerang_rx(struct net_device *dev)
pci_dma_sync_single_for_device(VORTEX_PCI(vp), dma, PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
vp->rx_copy++;
} else {
+ /* Pre-allocate the replacement skb. If it or its
+ * mapping fails then recycle the buffer thats already
+ * in place
+ */
+ newskb = netdev_alloc_skb_ip_align(dev, PKT_BUF_SZ);
+ if (!newskb) {
+ dev->stats.rx_dropped++;
+ goto clear_complete;
+ }
+ newdma = pci_map_single(VORTEX_PCI(vp), newskb->data,
+ PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
+ if (dma_mapping_error(&VORTEX_PCI(vp)->dev, newdma)) {
+ dev->stats.rx_dropped++;
+ consume_skb(newskb);
+ goto clear_complete;
+ }
+
/* Pass up the skbuff already on the Rx ring. */
skb = vp->rx_skbuff[entry];
- vp->rx_skbuff[entry] = NULL;
+ vp->rx_skbuff[entry] = newskb;
+ vp->rx_ring[entry].addr = cpu_to_le32(newdma);
skb_put(skb, pkt_len);
pci_unmap_single(VORTEX_PCI(vp), dma, PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
vp->rx_nocopy++;
@@ -2653,55 +2680,15 @@ boomerang_rx(struct net_device *dev)
netif_rx(skb);
dev->stats.rx_packets++;
}
- entry = (++vp->cur_rx) % RX_RING_SIZE;
- }
- /* Refill the Rx ring buffers. */
- for (; vp->cur_rx - vp->dirty_rx > 0; vp->dirty_rx++) {
- struct sk_buff *skb;
- entry = vp->dirty_rx % RX_RING_SIZE;
- if (vp->rx_skbuff[entry] == NULL) {
- skb = netdev_alloc_skb_ip_align(dev, PKT_BUF_SZ);
- if (skb == NULL) {
- static unsigned long last_jif;
- if (time_after(jiffies, last_jif + 10 * HZ)) {
- pr_warn("%s: memory shortage\n",
- dev->name);
- last_jif = jiffies;
- }
- if ((vp->cur_rx - vp->dirty_rx) == RX_RING_SIZE)
- mod_timer(&vp->rx_oom_timer, RUN_AT(HZ * 1));
- break; /* Bad news! */
- }
- vp->rx_ring[entry].addr = cpu_to_le32(pci_map_single(VORTEX_PCI(vp), skb->data, PKT_BUF_SZ, PCI_DMA_FROMDEVICE));
- vp->rx_skbuff[entry] = skb;
- }
+clear_complete:
vp->rx_ring[entry].status = 0; /* Clear complete bit. */
iowrite16(UpUnstall, ioaddr + EL3_CMD);
+ entry = (++vp->cur_rx) % RX_RING_SIZE;
}
return 0;
}
-/*
- * If we've hit a total OOM refilling the Rx ring we poll once a second
- * for some memory. Otherwise there is no way to restart the rx process.
- */
-static void
-rx_oom_timer(struct timer_list *t)
-{
- struct vortex_private *vp = from_timer(vp, t, rx_oom_timer);
- struct net_device *dev = vp->mii.dev;
-
- spin_lock_irq(&vp->lock);
- if ((vp->cur_rx - vp->dirty_rx) == RX_RING_SIZE) /* This test is redundant, but makes me feel good */
- boomerang_rx(dev);
- if (vortex_debug > 1) {
- pr_debug("%s: rx_oom_timer %s\n", dev->name,
- ((vp->cur_rx - vp->dirty_rx) != RX_RING_SIZE) ? "succeeded" : "retrying");
- }
- spin_unlock_irq(&vp->lock);
-}
-
static void
vortex_down(struct net_device *dev, int final_down)
{
@@ -2711,7 +2698,6 @@ vortex_down(struct net_device *dev, int final_down)
netdev_reset_queue(dev);
netif_stop_queue(dev);
- del_timer_sync(&vp->rx_oom_timer);
del_timer_sync(&vp->timer);
/* Turn off statistics ASAP. We update dev->stats below. */
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 97c5a89a9cf7..fbe21a817bd8 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -75,6 +75,9 @@ static struct workqueue_struct *ena_wq;
MODULE_DEVICE_TABLE(pci, ena_pci_tbl);
static int ena_rss_init_default(struct ena_adapter *adapter);
+static void check_for_admin_com_state(struct ena_adapter *adapter);
+static void ena_destroy_device(struct ena_adapter *adapter);
+static int ena_restore_device(struct ena_adapter *adapter);
static void ena_tx_timeout(struct net_device *dev)
{
@@ -1565,7 +1568,7 @@ static int ena_rss_configure(struct ena_adapter *adapter)
static int ena_up_complete(struct ena_adapter *adapter)
{
- int rc, i;
+ int rc;
rc = ena_rss_configure(adapter);
if (rc)
@@ -1584,17 +1587,6 @@ static int ena_up_complete(struct ena_adapter *adapter)
ena_napi_enable_all(adapter);
- /* Enable completion queues interrupt */
- for (i = 0; i < adapter->num_queues; i++)
- ena_unmask_interrupt(&adapter->tx_ring[i],
- &adapter->rx_ring[i]);
-
- /* schedule napi in case we had pending packets
- * from the last time we disable napi
- */
- for (i = 0; i < adapter->num_queues; i++)
- napi_schedule(&adapter->ena_napi[i].napi);
-
return 0;
}
@@ -1731,7 +1723,7 @@ create_err:
static int ena_up(struct ena_adapter *adapter)
{
- int rc;
+ int rc, i;
netdev_dbg(adapter->netdev, "%s\n", __func__);
@@ -1774,6 +1766,17 @@ static int ena_up(struct ena_adapter *adapter)
set_bit(ENA_FLAG_DEV_UP, &adapter->flags);
+ /* Enable completion queues interrupt */
+ for (i = 0; i < adapter->num_queues; i++)
+ ena_unmask_interrupt(&adapter->tx_ring[i],
+ &adapter->rx_ring[i]);
+
+ /* schedule napi in case we had pending packets
+ * from the last time we disable napi
+ */
+ for (i = 0; i < adapter->num_queues; i++)
+ napi_schedule(&adapter->ena_napi[i].napi);
+
return rc;
err_up:
@@ -1884,6 +1887,17 @@ static int ena_close(struct net_device *netdev)
if (test_bit(ENA_FLAG_DEV_UP, &adapter->flags))
ena_down(adapter);
+ /* Check for device status and issue reset if needed*/
+ check_for_admin_com_state(adapter);
+ if (unlikely(test_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags))) {
+ netif_err(adapter, ifdown, adapter->netdev,
+ "Destroy failure, restarting device\n");
+ ena_dump_stats_to_dmesg(adapter);
+ /* rtnl lock already obtained in dev_ioctl() layer */
+ ena_destroy_device(adapter);
+ ena_restore_device(adapter);
+ }
+
return 0;
}
@@ -2544,11 +2558,12 @@ static void ena_destroy_device(struct ena_adapter *adapter)
ena_com_set_admin_running_state(ena_dev, false);
- ena_close(netdev);
+ if (test_bit(ENA_FLAG_DEV_UP, &adapter->flags))
+ ena_down(adapter);
/* Before releasing the ENA resources, a device reset is required.
* (to prevent the device from accessing them).
- * In case the reset flag is set and the device is up, ena_close
+ * In case the reset flag is set and the device is up, ena_down()
* already perform the reset, so it can be skipped.
*/
if (!(test_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags) && dev_up))
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
index 5ee18660bc33..c9617675f934 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c
@@ -70,7 +70,7 @@ static int bnxt_vf_ndo_prep(struct bnxt *bp, int vf_id)
netdev_err(bp->dev, "vf ndo called though sriov is disabled\n");
return -EINVAL;
}
- if (vf_id >= bp->pf.max_vfs) {
+ if (vf_id >= bp->pf.active_vfs) {
netdev_err(bp->dev, "Invalid VF id %d\n", vf_id);
return -EINVAL;
}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
index 3d201d7324bd..d8fee26cd45e 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
@@ -421,7 +421,7 @@ static int bnxt_hwrm_cfa_flow_alloc(struct bnxt *bp, struct bnxt_tc_flow *flow,
}
/* If all IP and L4 fields are wildcarded then this is an L2 flow */
- if (is_wildcard(&l3_mask, sizeof(l3_mask)) &&
+ if (is_wildcard(l3_mask, sizeof(*l3_mask)) &&
is_wildcard(&flow->l4_mask, sizeof(flow->l4_mask))) {
flow_flags |= CFA_FLOW_ALLOC_REQ_FLAGS_FLOWTYPE_L2;
} else {
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index 6f9fa6e3c42a..d8424ed16c33 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -344,7 +344,6 @@ struct adapter_params {
unsigned int sf_size; /* serial flash size in bytes */
unsigned int sf_nsec; /* # of flash sectors */
- unsigned int sf_fw_start; /* start of FW image in flash */
unsigned int fw_vers; /* firmware version */
unsigned int bs_vers; /* bootstrap version */
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index f63210f15579..375ef86a84da 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -2844,8 +2844,6 @@ enum {
SF_RD_DATA_FAST = 0xb, /* read flash */
SF_RD_ID = 0x9f, /* read ID */
SF_ERASE_SECTOR = 0xd8, /* erase sector */
-
- FW_MAX_SIZE = 16 * SF_SEC_SIZE,
};
/**
@@ -3558,8 +3556,9 @@ int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size)
const __be32 *p = (const __be32 *)fw_data;
const struct fw_hdr *hdr = (const struct fw_hdr *)fw_data;
unsigned int sf_sec_size = adap->params.sf_size / adap->params.sf_nsec;
- unsigned int fw_img_start = adap->params.sf_fw_start;
- unsigned int fw_start_sec = fw_img_start / sf_sec_size;
+ unsigned int fw_start_sec = FLASH_FW_START_SEC;
+ unsigned int fw_size = FLASH_FW_MAX_SIZE;
+ unsigned int fw_start = FLASH_FW_START;
if (!size) {
dev_err(adap->pdev_dev, "FW image has no data\n");
@@ -3575,9 +3574,9 @@ int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size)
"FW image size differs from size in FW header\n");
return -EINVAL;
}
- if (size > FW_MAX_SIZE) {
+ if (size > fw_size) {
dev_err(adap->pdev_dev, "FW image too large, max is %u bytes\n",
- FW_MAX_SIZE);
+ fw_size);
return -EFBIG;
}
if (!t4_fw_matches_chip(adap, hdr))
@@ -3604,11 +3603,11 @@ int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size)
*/
memcpy(first_page, fw_data, SF_PAGE_SIZE);
((struct fw_hdr *)first_page)->fw_ver = cpu_to_be32(0xffffffff);
- ret = t4_write_flash(adap, fw_img_start, SF_PAGE_SIZE, first_page);
+ ret = t4_write_flash(adap, fw_start, SF_PAGE_SIZE, first_page);
if (ret)
goto out;
- addr = fw_img_start;
+ addr = fw_start;
for (size -= SF_PAGE_SIZE; size; size -= SF_PAGE_SIZE) {
addr += SF_PAGE_SIZE;
fw_data += SF_PAGE_SIZE;
@@ -3618,7 +3617,7 @@ int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size)
}
ret = t4_write_flash(adap,
- fw_img_start + offsetof(struct fw_hdr, fw_ver),
+ fw_start + offsetof(struct fw_hdr, fw_ver),
sizeof(hdr->fw_ver), (const u8 *)&hdr->fw_ver);
out:
if (ret)
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 8184d2fca9be..a74300a4459c 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3469,6 +3469,10 @@ fec_probe(struct platform_device *pdev)
goto failed_regulator;
}
} else {
+ if (PTR_ERR(fep->reg_phy) == -EPROBE_DEFER) {
+ ret = -EPROBE_DEFER;
+ goto failed_regulator;
+ }
fep->reg_phy = NULL;
}
@@ -3552,8 +3556,9 @@ failed_clk_ipg:
failed_clk:
if (of_phy_is_fixed_link(np))
of_phy_deregister_fixed_link(np);
-failed_phy:
of_node_put(phy_node);
+failed_phy:
+ dev_id--;
failed_ioremap:
free_netdev(ndev);
diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c
index 544114281ea7..9f8d4f8e57e3 100644
--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -319,11 +319,10 @@ static int ptp_gianfar_adjtime(struct ptp_clock_info *ptp, s64 delta)
now = tmr_cnt_read(etsects);
now += delta;
tmr_cnt_write(etsects, now);
+ set_fipers(etsects);
spin_unlock_irqrestore(&etsects->lock, flags);
- set_fipers(etsects);
-
return 0;
}
diff --git a/drivers/net/ethernet/intel/e1000/e1000.h b/drivers/net/ethernet/intel/e1000/e1000.h
index d7bdea79e9fa..8fd2458060a0 100644
--- a/drivers/net/ethernet/intel/e1000/e1000.h
+++ b/drivers/net/ethernet/intel/e1000/e1000.h
@@ -331,7 +331,8 @@ struct e1000_adapter {
enum e1000_state_t {
__E1000_TESTING,
__E1000_RESETTING,
- __E1000_DOWN
+ __E1000_DOWN,
+ __E1000_DISABLED
};
#undef pr_fmt
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 1982f7917a8d..3dd4aeb2706d 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -945,7 +945,7 @@ static int e1000_init_hw_struct(struct e1000_adapter *adapter,
static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct net_device *netdev;
- struct e1000_adapter *adapter;
+ struct e1000_adapter *adapter = NULL;
struct e1000_hw *hw;
static int cards_found;
@@ -955,6 +955,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
u16 tmp = 0;
u16 eeprom_apme_mask = E1000_EEPROM_APME;
int bars, need_ioport;
+ bool disable_dev = false;
/* do not allocate ioport bars when not needed */
need_ioport = e1000_is_need_ioport(pdev);
@@ -1259,11 +1260,13 @@ err_mdio_ioremap:
iounmap(hw->ce4100_gbe_mdio_base_virt);
iounmap(hw->hw_addr);
err_ioremap:
+ disable_dev = !test_and_set_bit(__E1000_DISABLED, &adapter->flags);
free_netdev(netdev);
err_alloc_etherdev:
pci_release_selected_regions(pdev, bars);
err_pci_reg:
- pci_disable_device(pdev);
+ if (!adapter || disable_dev)
+ pci_disable_device(pdev);
return err;
}
@@ -1281,6 +1284,7 @@ static void e1000_remove(struct pci_dev *pdev)
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
+ bool disable_dev;
e1000_down_and_stop(adapter);
e1000_release_manageability(adapter);
@@ -1299,9 +1303,11 @@ static void e1000_remove(struct pci_dev *pdev)
iounmap(hw->flash_address);
pci_release_selected_regions(pdev, adapter->bars);
+ disable_dev = !test_and_set_bit(__E1000_DISABLED, &adapter->flags);
free_netdev(netdev);
- pci_disable_device(pdev);
+ if (disable_dev)
+ pci_disable_device(pdev);
}
/**
@@ -5156,7 +5162,8 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
if (netif_running(netdev))
e1000_free_irq(adapter);
- pci_disable_device(pdev);
+ if (!test_and_set_bit(__E1000_DISABLED, &adapter->flags))
+ pci_disable_device(pdev);
return 0;
}
@@ -5200,6 +5207,10 @@ static int e1000_resume(struct pci_dev *pdev)
pr_err("Cannot enable PCI device from suspend\n");
return err;
}
+
+ /* flush memory to make sure state is correct */
+ smp_mb__before_atomic();
+ clear_bit(__E1000_DISABLED, &adapter->flags);
pci_set_master(pdev);
pci_enable_wake(pdev, PCI_D3hot, 0);
@@ -5274,7 +5285,9 @@ static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
if (netif_running(netdev))
e1000_down(adapter);
- pci_disable_device(pdev);
+
+ if (!test_and_set_bit(__E1000_DISABLED, &adapter->flags))
+ pci_disable_device(pdev);
/* Request a slot slot reset. */
return PCI_ERS_RESULT_NEED_RESET;
@@ -5302,6 +5315,10 @@ static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev)
pr_err("Cannot re-enable PCI device after reset.\n");
return PCI_ERS_RESULT_DISCONNECT;
}
+
+ /* flush memory to make sure state is correct */
+ smp_mb__before_atomic();
+ clear_bit(__E1000_DISABLED, &adapter->flags);
pci_set_master(pdev);
pci_enable_wake(pdev, PCI_D3hot, 0);
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index d6d4ed7acf03..31277d3bb7dc 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -1367,6 +1367,9 @@ out:
* Checks to see of the link status of the hardware has changed. If a
* change in link status has been detected, then we read the PHY registers
* to get the current speed/duplex if link exists.
+ *
+ * Returns a negative error code (-E1000_ERR_*) or 0 (link down) or 1 (link
+ * up).
**/
static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
{
@@ -1382,7 +1385,7 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
* Change or Rx Sequence Error interrupt.
*/
if (!mac->get_link_status)
- return 0;
+ return 1;
/* First we want to see if the MII Status Register reports
* link. If so, then we want to get the current speed/duplex
@@ -1613,10 +1616,12 @@ static s32 e1000_check_for_copper_link_ich8lan(struct e1000_hw *hw)
* different link partner.
*/
ret_val = e1000e_config_fc_after_link_up(hw);
- if (ret_val)
+ if (ret_val) {
e_dbg("Error configuring flow control\n");
+ return ret_val;
+ }
- return ret_val;
+ return 1;
}
static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 321d8be80871..42dcaefc4c19 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -1573,11 +1573,18 @@ static int i40e_set_mac(struct net_device *netdev, void *p)
else
netdev_info(netdev, "set new mac address %pM\n", addr->sa_data);
+ /* Copy the address first, so that we avoid a possible race with
+ * .set_rx_mode(). If we copy after changing the address in the filter
+ * list, we might open ourselves to a narrow race window where
+ * .set_rx_mode could delete our dev_addr filter and prevent traffic
+ * from passing.
+ */
+ ether_addr_copy(netdev->dev_addr, addr->sa_data);
+
spin_lock_bh(&vsi->mac_filter_hash_lock);
i40e_del_mac_filter(vsi, netdev->dev_addr);
i40e_add_mac_filter(vsi, addr->sa_data);
spin_unlock_bh(&vsi->mac_filter_hash_lock);
- ether_addr_copy(netdev->dev_addr, addr->sa_data);
if (vsi->type == I40E_VSI_MAIN) {
i40e_status ret;
@@ -1923,6 +1930,14 @@ static int i40e_addr_unsync(struct net_device *netdev, const u8 *addr)
struct i40e_netdev_priv *np = netdev_priv(netdev);
struct i40e_vsi *vsi = np->vsi;
+ /* Under some circumstances, we might receive a request to delete
+ * our own device address from our uc list. Because we store the
+ * device address in the VSI's MAC/VLAN filter list, we need to ignore
+ * such requests and not delete our device address from this list.
+ */
+ if (ether_addr_equal(addr, netdev->dev_addr))
+ return 0;
+
i40e_del_mac_filter(vsi, addr);
return 0;
@@ -6038,8 +6053,8 @@ static int i40e_validate_and_set_switch_mode(struct i40e_vsi *vsi)
/* Set Bit 7 to be valid */
mode = I40E_AQ_SET_SWITCH_BIT7_VALID;
- /* Set L4type to both TCP and UDP support */
- mode |= I40E_AQ_SET_SWITCH_L4_TYPE_BOTH;
+ /* Set L4type for TCP support */
+ mode |= I40E_AQ_SET_SWITCH_L4_TYPE_TCP;
/* Set cloud filter mode */
mode |= I40E_AQ_SET_SWITCH_MODE_NON_TUNNEL;
@@ -6969,18 +6984,18 @@ static int i40e_add_del_cloud_filter_big_buf(struct i40e_vsi *vsi,
is_valid_ether_addr(filter->src_mac)) ||
(is_multicast_ether_addr(filter->dst_mac) &&
is_multicast_ether_addr(filter->src_mac)))
- return -EINVAL;
+ return -EOPNOTSUPP;
- /* Make sure port is specified, otherwise bail out, for channel
- * specific cloud filter needs 'L4 port' to be non-zero
+ /* Big buffer cloud filter needs 'L4 port' to be non-zero. Also, UDP
+ * ports are not supported via big buffer now.
*/
- if (!filter->dst_port)
- return -EINVAL;
+ if (!filter->dst_port || filter->ip_proto == IPPROTO_UDP)
+ return -EOPNOTSUPP;
/* adding filter using src_port/src_ip is not supported at this stage */
if (filter->src_port || filter->src_ipv4 ||
!ipv6_addr_any(&filter->ip.v6.src_ip6))
- return -EINVAL;
+ return -EOPNOTSUPP;
/* copy element needed to add cloud filter from filter */
i40e_set_cld_element(filter, &cld_filter.element);
@@ -6991,7 +7006,7 @@ static int i40e_add_del_cloud_filter_big_buf(struct i40e_vsi *vsi,
is_multicast_ether_addr(filter->src_mac)) {
/* MAC + IP : unsupported mode */
if (filter->dst_ipv4)
- return -EINVAL;
+ return -EOPNOTSUPP;
/* since we validated that L4 port must be valid before
* we get here, start with respective "flags" value
@@ -7356,7 +7371,7 @@ static int i40e_configure_clsflower(struct i40e_vsi *vsi,
if (tc < 0) {
dev_err(&vsi->back->pdev->dev, "Invalid traffic class\n");
- return -EINVAL;
+ return -EOPNOTSUPP;
}
if (test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state) ||
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 4566d66ffc7c..5bc2748ac468 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -3047,10 +3047,30 @@ bool __i40e_chk_linearize(struct sk_buff *skb)
/* Walk through fragments adding latest fragment, testing it, and
* then removing stale fragments from the sum.
*/
- stale = &skb_shinfo(skb)->frags[0];
- for (;;) {
+ for (stale = &skb_shinfo(skb)->frags[0];; stale++) {
+ int stale_size = skb_frag_size(stale);
+
sum += skb_frag_size(frag++);
+ /* The stale fragment may present us with a smaller
+ * descriptor than the actual fragment size. To account
+ * for that we need to remove all the data on the front and
+ * figure out what the remainder would be in the last
+ * descriptor associated with the fragment.
+ */
+ if (stale_size > I40E_MAX_DATA_PER_TXD) {
+ int align_pad = -(stale->page_offset) &
+ (I40E_MAX_READ_REQ_SIZE - 1);
+
+ sum -= align_pad;
+ stale_size -= align_pad;
+
+ do {
+ sum -= I40E_MAX_DATA_PER_TXD_ALIGNED;
+ stale_size -= I40E_MAX_DATA_PER_TXD_ALIGNED;
+ } while (stale_size > I40E_MAX_DATA_PER_TXD);
+ }
+
/* if sum is negative we failed to make sufficient progress */
if (sum < 0)
return true;
@@ -3058,7 +3078,7 @@ bool __i40e_chk_linearize(struct sk_buff *skb)
if (!nr_frags--)
break;
- sum -= skb_frag_size(stale++);
+ sum -= stale_size;
}
return false;
diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
index 50864f99446d..1ba29bb85b67 100644
--- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c
@@ -2012,10 +2012,30 @@ bool __i40evf_chk_linearize(struct sk_buff *skb)
/* Walk through fragments adding latest fragment, testing it, and
* then removing stale fragments from the sum.
*/
- stale = &skb_shinfo(skb)->frags[0];
- for (;;) {
+ for (stale = &skb_shinfo(skb)->frags[0];; stale++) {
+ int stale_size = skb_frag_size(stale);
+
sum += skb_frag_size(frag++);
+ /* The stale fragment may present us with a smaller
+ * descriptor than the actual fragment size. To account
+ * for that we need to remove all the data on the front and
+ * figure out what the remainder would be in the last
+ * descriptor associated with the fragment.
+ */
+ if (stale_size > I40E_MAX_DATA_PER_TXD) {
+ int align_pad = -(stale->page_offset) &
+ (I40E_MAX_READ_REQ_SIZE - 1);
+
+ sum -= align_pad;
+ stale_size -= align_pad;
+
+ do {
+ sum -= I40E_MAX_DATA_PER_TXD_ALIGNED;
+ stale_size -= I40E_MAX_DATA_PER_TXD_ALIGNED;
+ } while (stale_size > I40E_MAX_DATA_PER_TXD);
+ }
+
/* if sum is negative we failed to make sufficient progress */
if (sum < 0)
return true;
@@ -2023,7 +2043,7 @@ bool __i40evf_chk_linearize(struct sk_buff *skb)
if (!nr_frags--)
break;
- sum -= skb_frag_size(stale++);
+ sum -= stale_size;
}
return false;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c
index 23f7d828cf67..6ef20e5cc77d 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/pci.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c
@@ -1643,7 +1643,12 @@ static int mlxsw_pci_sw_reset(struct mlxsw_pci *mlxsw_pci,
return 0;
}
- wmb(); /* reset needs to be written before we read control register */
+ /* Reset needs to be written before we read control register, and
+ * we must wait for the HW to become responsive once again
+ */
+ wmb();
+ msleep(MLXSW_PCI_SW_RESET_WAIT_MSECS);
+
end = jiffies + msecs_to_jiffies(MLXSW_PCI_SW_RESET_TIMEOUT_MSECS);
do {
u32 val = mlxsw_pci_read32(mlxsw_pci, FW_READY);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h b/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h
index a6441208e9d9..fb082ad21b00 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h
@@ -59,6 +59,7 @@
#define MLXSW_PCI_SW_RESET 0xF0010
#define MLXSW_PCI_SW_RESET_RST_BIT BIT(0)
#define MLXSW_PCI_SW_RESET_TIMEOUT_MSECS 5000
+#define MLXSW_PCI_SW_RESET_WAIT_MSECS 100
#define MLXSW_PCI_FW_READY 0xA1844
#define MLXSW_PCI_FW_READY_MASK 0xFFFF
#define MLXSW_PCI_FW_READY_MAGIC 0x5E
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 9bd8d28de152..c3837ca7a705 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -4376,7 +4376,10 @@ static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev,
}
if (!info->linking)
break;
- if (netdev_has_any_upper_dev(upper_dev)) {
+ if (netdev_has_any_upper_dev(upper_dev) &&
+ (!netif_is_bridge_master(upper_dev) ||
+ !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp,
+ upper_dev))) {
NL_SET_ERR_MSG(extack,
"spectrum: Enslaving a port to a device that already has an upper device is not supported");
return -EINVAL;
@@ -4504,6 +4507,7 @@ static int mlxsw_sp_netdevice_port_vlan_event(struct net_device *vlan_dev,
u16 vid)
{
struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev);
+ struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
struct netdev_notifier_changeupper_info *info = ptr;
struct netlink_ext_ack *extack;
struct net_device *upper_dev;
@@ -4520,7 +4524,10 @@ static int mlxsw_sp_netdevice_port_vlan_event(struct net_device *vlan_dev,
}
if (!info->linking)
break;
- if (netdev_has_any_upper_dev(upper_dev)) {
+ if (netdev_has_any_upper_dev(upper_dev) &&
+ (!netif_is_bridge_master(upper_dev) ||
+ !mlxsw_sp_bridge_device_is_offloaded(mlxsw_sp,
+ upper_dev))) {
NL_SET_ERR_MSG(extack, "spectrum: Enslaving a port to a device that already has an upper device is not supported");
return -EINVAL;
}
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
index 432ab9b12b7f..05ce1befd9b3 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h
@@ -365,6 +365,8 @@ int mlxsw_sp_port_bridge_join(struct mlxsw_sp_port *mlxsw_sp_port,
void mlxsw_sp_port_bridge_leave(struct mlxsw_sp_port *mlxsw_sp_port,
struct net_device *brport_dev,
struct net_device *br_dev);
+bool mlxsw_sp_bridge_device_is_offloaded(const struct mlxsw_sp *mlxsw_sp,
+ const struct net_device *br_dev);
/* spectrum.c */
int mlxsw_sp_port_ets_set(struct mlxsw_sp_port *mlxsw_sp_port,
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c
index c33beac5def0..b5397da94d7f 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c
@@ -46,7 +46,8 @@ mlxsw_sp_tclass_congestion_enable(struct mlxsw_sp_port *mlxsw_sp_port,
int tclass_num, u32 min, u32 max,
u32 probability, bool is_ecn)
{
- char cwtp_cmd[max_t(u8, MLXSW_REG_CWTP_LEN, MLXSW_REG_CWTPM_LEN)];
+ char cwtpm_cmd[MLXSW_REG_CWTPM_LEN];
+ char cwtp_cmd[MLXSW_REG_CWTP_LEN];
struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp;
int err;
@@ -60,10 +61,10 @@ mlxsw_sp_tclass_congestion_enable(struct mlxsw_sp_port *mlxsw_sp_port,
if (err)
return err;
- mlxsw_reg_cwtpm_pack(cwtp_cmd, mlxsw_sp_port->local_port, tclass_num,
+ mlxsw_reg_cwtpm_pack(cwtpm_cmd, mlxsw_sp_port->local_port, tclass_num,
MLXSW_REG_CWTP_DEFAULT_PROFILE, true, is_ecn);
- return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(cwtpm), cwtp_cmd);
+ return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(cwtpm), cwtpm_cmd);
}
static int
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index be657b8533f0..434b3922b34f 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -3228,7 +3228,7 @@ static void __mlxsw_sp_nexthop_neigh_update(struct mlxsw_sp_nexthop *nh,
{
if (!removing)
nh->should_offload = 1;
- else if (nh->offloaded)
+ else
nh->should_offload = 0;
nh->update = 1;
}
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 7b8548e25ae7..593ad31be749 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -152,6 +152,12 @@ mlxsw_sp_bridge_device_find(const struct mlxsw_sp_bridge *bridge,
return NULL;
}
+bool mlxsw_sp_bridge_device_is_offloaded(const struct mlxsw_sp *mlxsw_sp,
+ const struct net_device *br_dev)
+{
+ return !!mlxsw_sp_bridge_device_find(mlxsw_sp->bridge, br_dev);
+}
+
static struct mlxsw_sp_bridge_device *
mlxsw_sp_bridge_device_create(struct mlxsw_sp_bridge *bridge,
struct net_device *br_dev)
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 1a603fdd9e80..99b0487b6d82 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -568,6 +568,7 @@ nfp_net_aux_irq_request(struct nfp_net *nn, u32 ctrl_offset,
return err;
}
nn_writeb(nn, ctrl_offset, entry->entry);
+ nfp_net_irq_unmask(nn, entry->entry);
return 0;
}
@@ -582,6 +583,7 @@ static void nfp_net_aux_irq_free(struct nfp_net *nn, u32 ctrl_offset,
unsigned int vector_idx)
{
nn_writeb(nn, ctrl_offset, 0xff);
+ nn_pci_flush(nn);
free_irq(nn->irq_entries[vector_idx].vector, nn);
}
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 75323000c364..b9e2846589f8 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -147,7 +147,7 @@ static const u16 sh_eth_offset_gigabit[SH_ETH_MAX_REGISTER_OFFSET] = {
[FWNLCR0] = 0x0090,
[FWALCR0] = 0x0094,
[TXNLCR1] = 0x00a0,
- [TXALCR1] = 0x00a0,
+ [TXALCR1] = 0x00a4,
[RXNLCR1] = 0x00a8,
[RXALCR1] = 0x00ac,
[FWNLCR1] = 0x00b0,
@@ -399,7 +399,7 @@ static const u16 sh_eth_offset_fast_sh3_sh2[SH_ETH_MAX_REGISTER_OFFSET] = {
[FWNLCR0] = 0x0090,
[FWALCR0] = 0x0094,
[TXNLCR1] = 0x00a0,
- [TXALCR1] = 0x00a0,
+ [TXALCR1] = 0x00a4,
[RXNLCR1] = 0x00a8,
[RXALCR1] = 0x00ac,
[FWNLCR1] = 0x00b0,
@@ -3225,18 +3225,37 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
/* ioremap the TSU registers */
if (mdp->cd->tsu) {
struct resource *rtsu;
+
rtsu = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- mdp->tsu_addr = devm_ioremap_resource(&pdev->dev, rtsu);
- if (IS_ERR(mdp->tsu_addr)) {
- ret = PTR_ERR(mdp->tsu_addr);
+ if (!rtsu) {
+ dev_err(&pdev->dev, "no TSU resource\n");
+ ret = -ENODEV;
+ goto out_release;
+ }
+ /* We can only request the TSU region for the first port
+ * of the two sharing this TSU for the probe to succeed...
+ */
+ if (devno % 2 == 0 &&
+ !devm_request_mem_region(&pdev->dev, rtsu->start,
+ resource_size(rtsu),
+ dev_name(&pdev->dev))) {
+ dev_err(&pdev->dev, "can't request TSU resource.\n");
+ ret = -EBUSY;
+ goto out_release;
+ }
+ mdp->tsu_addr = devm_ioremap(&pdev->dev, rtsu->start,
+ resource_size(rtsu));
+ if (!mdp->tsu_addr) {
+ dev_err(&pdev->dev, "TSU region ioremap() failed.\n");
+ ret = -ENOMEM;
goto out_release;
}
mdp->port = devno % 2;
ndev->features = NETIF_F_HW_VLAN_CTAG_FILTER;
}
- /* initialize first or needed device */
- if (!devno || pd->needs_init) {
+ /* Need to init only the first port of the two sharing a TSU */
+ if (devno % 2 == 0) {
if (mdp->cd->chip_reset)
mdp->cd->chip_reset(ndev);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 337d53d12e94..c0af0bc4e714 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -364,9 +364,15 @@ static void stmmac_eee_ctrl_timer(struct timer_list *t)
bool stmmac_eee_init(struct stmmac_priv *priv)
{
struct net_device *ndev = priv->dev;
+ int interface = priv->plat->interface;
unsigned long flags;
bool ret = false;
+ if ((interface != PHY_INTERFACE_MODE_MII) &&
+ (interface != PHY_INTERFACE_MODE_GMII) &&
+ !phy_interface_mode_is_rgmii(interface))
+ goto out;
+
/* Using PCS we cannot dial with the phy registers at this stage
* so we do not support extra feature like EEE.
*/
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index b718a02a6bb6..0a48b3073d3d 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -825,6 +825,13 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev,
if (IS_ERR(rt))
return PTR_ERR(rt);
+ if (skb_dst(skb)) {
+ int mtu = dst_mtu(&rt->dst) - sizeof(struct iphdr) -
+ GENEVE_BASE_HLEN - info->options_len - 14;
+
+ skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu);
+ }
+
sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);
if (geneve->collect_md) {
tos = ip_tunnel_ecn_encap(key->tos, ip_hdr(skb), skb);
@@ -864,6 +871,13 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev,
if (IS_ERR(dst))
return PTR_ERR(dst);
+ if (skb_dst(skb)) {
+ int mtu = dst_mtu(dst) - sizeof(struct ipv6hdr) -
+ GENEVE_BASE_HLEN - info->options_len - 14;
+
+ skb_dst(skb)->ops->update_pmtu(skb_dst(skb), NULL, skb, mtu);
+ }
+
sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true);
if (geneve->collect_md) {
prio = ip_tunnel_ecn_encap(key->tos, ip_hdr(skb), skb);
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index a178c5efd33e..a0f2be81d52e 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -1444,9 +1444,14 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
return 0;
unregister_netdev:
+ /* macvlan_uninit would free the macvlan port */
unregister_netdevice(dev);
+ return err;
destroy_macvlan_port:
- if (create)
+ /* the macvlan port may be freed by macvlan_uninit when fail to register.
+ * so we destroy the macvlan port only when it's valid.
+ */
+ if (create && macvlan_port_get_rtnl(dev))
macvlan_port_destroy(port->dev);
return err;
}
diff --git a/drivers/net/phy/mdio-sun4i.c b/drivers/net/phy/mdio-sun4i.c
index 135296508a7e..6425ce04d3f9 100644
--- a/drivers/net/phy/mdio-sun4i.c
+++ b/drivers/net/phy/mdio-sun4i.c
@@ -118,8 +118,10 @@ static int sun4i_mdio_probe(struct platform_device *pdev)
data->regulator = devm_regulator_get(&pdev->dev, "phy");
if (IS_ERR(data->regulator)) {
- if (PTR_ERR(data->regulator) == -EPROBE_DEFER)
- return -EPROBE_DEFER;
+ if (PTR_ERR(data->regulator) == -EPROBE_DEFER) {
+ ret = -EPROBE_DEFER;
+ goto err_out_free_mdiobus;
+ }
dev_info(&pdev->dev, "no regulator found\n");
data->regulator = NULL;
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index 827f3f92560e..249ce5cbea22 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -1296,6 +1296,7 @@ int phylink_mii_ioctl(struct phylink *pl, struct ifreq *ifr, int cmd)
switch (cmd) {
case SIOCGMIIPHY:
mii->phy_id = pl->phydev->mdio.addr;
+ /* fall through */
case SIOCGMIIREG:
ret = phylink_phy_read(pl, mii->phy_id, mii->reg_num);
@@ -1318,6 +1319,7 @@ int phylink_mii_ioctl(struct phylink *pl, struct ifreq *ifr, int cmd)
switch (cmd) {
case SIOCGMIIPHY:
mii->phy_id = 0;
+ /* fall through */
case SIOCGMIIREG:
ret = phylink_mii_read(pl, mii->phy_id, mii->reg_num);
@@ -1429,9 +1431,8 @@ static void phylink_sfp_link_down(void *upstream)
WARN_ON(!lockdep_rtnl_is_held());
set_bit(PHYLINK_DISABLE_LINK, &pl->phylink_disable_state);
+ queue_work(system_power_efficient_wq, &pl->resolve);
flush_work(&pl->resolve);
-
- netif_carrier_off(pl->netdev);
}
static void phylink_sfp_link_up(void *upstream)
diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c
index 8a1b1f4c1b7c..ab64a142b832 100644
--- a/drivers/net/phy/sfp-bus.c
+++ b/drivers/net/phy/sfp-bus.c
@@ -356,7 +356,8 @@ EXPORT_SYMBOL_GPL(sfp_register_upstream);
void sfp_unregister_upstream(struct sfp_bus *bus)
{
rtnl_lock();
- sfp_unregister_bus(bus);
+ if (bus->sfp)
+ sfp_unregister_bus(bus);
bus->upstream = NULL;
bus->netdev = NULL;
rtnl_unlock();
@@ -459,7 +460,8 @@ EXPORT_SYMBOL_GPL(sfp_register_socket);
void sfp_unregister_socket(struct sfp_bus *bus)
{
rtnl_lock();
- sfp_unregister_bus(bus);
+ if (bus->netdev)
+ sfp_unregister_bus(bus);
bus->sfp_dev = NULL;
bus->sfp = NULL;
bus->socket_ops = NULL;
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 3000ddd1c7e2..728819feab44 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1100,6 +1100,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x05c6, 0x9084, 4)},
{QMI_FIXED_INTF(0x05c6, 0x920d, 0)},
{QMI_FIXED_INTF(0x05c6, 0x920d, 5)},
+ {QMI_QUIRK_SET_DTR(0x05c6, 0x9625, 4)}, /* YUGA CLM920-NC5 */
{QMI_FIXED_INTF(0x0846, 0x68a2, 8)},
{QMI_FIXED_INTF(0x12d1, 0x140c, 1)}, /* Huawei E173 */
{QMI_FIXED_INTF(0x12d1, 0x14ac, 1)}, /* Huawei E1820 */
diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
index f7d228b5ba93..987f1252a3cf 100644
--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -384,6 +384,18 @@ static int wcn36xx_config(struct ieee80211_hw *hw, u32 changed)
}
}
+ if (changed & IEEE80211_CONF_CHANGE_PS) {
+ list_for_each_entry(tmp, &wcn->vif_list, list) {
+ vif = wcn36xx_priv_to_vif(tmp);
+ if (hw->conf.flags & IEEE80211_CONF_PS) {
+ if (vif->bss_conf.ps) /* ps allowed ? */
+ wcn36xx_pmc_enter_bmps_state(wcn, vif);
+ } else {
+ wcn36xx_pmc_exit_bmps_state(wcn, vif);
+ }
+ }
+ }
+
mutex_unlock(&wcn->conf_mutex);
return 0;
@@ -747,17 +759,6 @@ static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw,
vif_priv->dtim_period = bss_conf->dtim_period;
}
- if (changed & BSS_CHANGED_PS) {
- wcn36xx_dbg(WCN36XX_DBG_MAC,
- "mac bss PS set %d\n",
- bss_conf->ps);
- if (bss_conf->ps) {
- wcn36xx_pmc_enter_bmps_state(wcn, vif);
- } else {
- wcn36xx_pmc_exit_bmps_state(wcn, vif);
- }
- }
-
if (changed & BSS_CHANGED_BSSID) {
wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss changed_bssid %pM\n",
bss_conf->bssid);
diff --git a/drivers/net/wireless/ath/wcn36xx/pmc.c b/drivers/net/wireless/ath/wcn36xx/pmc.c
index 589fe5f70971..1976b80c235f 100644
--- a/drivers/net/wireless/ath/wcn36xx/pmc.c
+++ b/drivers/net/wireless/ath/wcn36xx/pmc.c
@@ -45,8 +45,10 @@ int wcn36xx_pmc_exit_bmps_state(struct wcn36xx *wcn,
struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
if (WCN36XX_BMPS != vif_priv->pw_state) {
- wcn36xx_err("Not in BMPS mode, no need to exit from BMPS mode!\n");
- return -EINVAL;
+ /* Unbalanced call or last BMPS enter failed */
+ wcn36xx_dbg(WCN36XX_DBG_PMC,
+ "Not in BMPS mode, no need to exit\n");
+ return -EALREADY;
}
wcn36xx_smd_exit_bmps(wcn, vif);
vif_priv->pw_state = WCN36XX_FULL_POWER;
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
index d749abeca3ae..403e65c309d0 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
@@ -670,11 +670,15 @@ static inline u8 iwl_pcie_get_cmd_index(struct iwl_txq *q, u32 index)
return index & (q->n_window - 1);
}
-static inline void *iwl_pcie_get_tfd(struct iwl_trans_pcie *trans_pcie,
+static inline void *iwl_pcie_get_tfd(struct iwl_trans *trans,
struct iwl_txq *txq, int idx)
{
- return txq->tfds + trans_pcie->tfd_size * iwl_pcie_get_cmd_index(txq,
- idx);
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+
+ if (trans->cfg->use_tfh)
+ idx = iwl_pcie_get_cmd_index(txq, idx);
+
+ return txq->tfds + trans_pcie->tfd_size * idx;
}
static inline void iwl_enable_rfkill_int(struct iwl_trans *trans)
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
index 16b345f54ff0..6d0a907d5ba5 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
@@ -171,8 +171,6 @@ static void iwl_pcie_gen2_tfd_unmap(struct iwl_trans *trans,
static void iwl_pcie_gen2_free_tfd(struct iwl_trans *trans, struct iwl_txq *txq)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
-
/* rd_ptr is bounded by TFD_QUEUE_SIZE_MAX and
* idx is bounded by n_window
*/
@@ -181,7 +179,7 @@ static void iwl_pcie_gen2_free_tfd(struct iwl_trans *trans, struct iwl_txq *txq)
lockdep_assert_held(&txq->lock);
iwl_pcie_gen2_tfd_unmap(trans, &txq->entries[idx].meta,
- iwl_pcie_get_tfd(trans_pcie, txq, idx));
+ iwl_pcie_get_tfd(trans, txq, idx));
/* free SKB */
if (txq->entries) {
@@ -364,11 +362,9 @@ struct iwl_tfh_tfd *iwl_pcie_gen2_build_tfd(struct iwl_trans *trans,
struct sk_buff *skb,
struct iwl_cmd_meta *out_meta)
{
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
int idx = iwl_pcie_get_cmd_index(txq, txq->write_ptr);
- struct iwl_tfh_tfd *tfd =
- iwl_pcie_get_tfd(trans_pcie, txq, idx);
+ struct iwl_tfh_tfd *tfd = iwl_pcie_get_tfd(trans, txq, idx);
dma_addr_t tb_phys;
bool amsdu;
int i, len, tb1_len, tb2_len, hdr_len;
@@ -565,8 +561,7 @@ static int iwl_pcie_gen2_enqueue_hcmd(struct iwl_trans *trans,
u8 group_id = iwl_cmd_groupid(cmd->id);
const u8 *cmddata[IWL_MAX_CMD_TBS_PER_TFD];
u16 cmdlen[IWL_MAX_CMD_TBS_PER_TFD];
- struct iwl_tfh_tfd *tfd =
- iwl_pcie_get_tfd(trans_pcie, txq, txq->write_ptr);
+ struct iwl_tfh_tfd *tfd = iwl_pcie_get_tfd(trans, txq, txq->write_ptr);
memset(tfd, 0, sizeof(*tfd));
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
index fed6d842a5e1..3f85713c41dc 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
@@ -373,7 +373,7 @@ static void iwl_pcie_tfd_unmap(struct iwl_trans *trans,
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int i, num_tbs;
- void *tfd = iwl_pcie_get_tfd(trans_pcie, txq, index);
+ void *tfd = iwl_pcie_get_tfd(trans, txq, index);
/* Sanity check on number of chunks */
num_tbs = iwl_pcie_tfd_get_num_tbs(trans, tfd);
@@ -2018,7 +2018,7 @@ static int iwl_fill_data_tbs(struct iwl_trans *trans, struct sk_buff *skb,
}
trace_iwlwifi_dev_tx(trans->dev, skb,
- iwl_pcie_get_tfd(trans_pcie, txq, txq->write_ptr),
+ iwl_pcie_get_tfd(trans, txq, txq->write_ptr),
trans_pcie->tfd_size,
&dev_cmd->hdr, IWL_FIRST_TB_SIZE + tb1_len,
hdr_len);
@@ -2092,7 +2092,7 @@ static int iwl_fill_data_tbs_amsdu(struct iwl_trans *trans, struct sk_buff *skb,
IEEE80211_CCMP_HDR_LEN : 0;
trace_iwlwifi_dev_tx(trans->dev, skb,
- iwl_pcie_get_tfd(trans_pcie, txq, txq->write_ptr),
+ iwl_pcie_get_tfd(trans, txq, txq->write_ptr),
trans_pcie->tfd_size,
&dev_cmd->hdr, IWL_FIRST_TB_SIZE + tb1_len, 0);
@@ -2425,7 +2425,7 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
memcpy(&txq->first_tb_bufs[txq->write_ptr], &dev_cmd->hdr,
IWL_FIRST_TB_SIZE);
- tfd = iwl_pcie_get_tfd(trans_pcie, txq, txq->write_ptr);
+ tfd = iwl_pcie_get_tfd(trans, txq, txq->write_ptr);
/* Set up entry for this TFD in Tx byte-count array */
iwl_pcie_txq_update_byte_cnt_tbl(trans, txq, le16_to_cpu(tx_cmd->len),
iwl_pcie_tfd_get_num_tbs(trans, tfd));
diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index c5a34671abda..9bd7ddeeb6a5 100644
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -1326,6 +1326,7 @@ static struct net_device *xennet_create_dev(struct xenbus_device *dev)
netif_carrier_off(netdev);
+ xenbus_switch_state(dev, XenbusStateInitialising);
return netdev;
exit:
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 1e46e60b8f10..839650e0926a 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1335,6 +1335,7 @@ static void nvme_update_disk_info(struct gendisk *disk,
struct nvme_ns *ns, struct nvme_id_ns *id)
{
sector_t capacity = le64_to_cpup(&id->nsze) << (ns->lba_shift - 9);
+ unsigned short bs = 1 << ns->lba_shift;
unsigned stream_alignment = 0;
if (ns->ctrl->nr_streams && ns->sws && ns->sgs)
@@ -1343,7 +1344,10 @@ static void nvme_update_disk_info(struct gendisk *disk,
blk_mq_freeze_queue(disk->queue);
blk_integrity_unregister(disk);
- blk_queue_logical_block_size(disk->queue, 1 << ns->lba_shift);
+ blk_queue_logical_block_size(disk->queue, bs);
+ blk_queue_physical_block_size(disk->queue, bs);
+ blk_queue_io_min(disk->queue, bs);
+
if (ns->ms && !ns->ext &&
(ns->ctrl->ops->flags & NVME_F_METADATA_SUPPORTED))
nvme_init_integrity(disk, ns->ms, ns->pi_type);
@@ -2987,6 +2991,7 @@ static void nvme_ns_remove(struct nvme_ns *ns)
mutex_unlock(&ns->ctrl->namespaces_mutex);
synchronize_srcu(&ns->head->srcu);
+ nvme_mpath_check_last_path(ns);
nvme_put_ns(ns);
}
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index ea1aa5283e8e..a00eabd06427 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -417,6 +417,15 @@ static inline void nvme_mpath_clear_current_path(struct nvme_ns *ns)
rcu_assign_pointer(head->current_path, NULL);
}
struct nvme_ns *nvme_find_path(struct nvme_ns_head *head);
+
+static inline void nvme_mpath_check_last_path(struct nvme_ns *ns)
+{
+ struct nvme_ns_head *head = ns->head;
+
+ if (head->disk && list_empty(&head->list))
+ kblockd_schedule_work(&head->requeue_work);
+}
+
#else
static inline void nvme_failover_req(struct request *req)
{
@@ -448,6 +457,9 @@ static inline void nvme_mpath_remove_disk_links(struct nvme_ns *ns)
static inline void nvme_mpath_clear_current_path(struct nvme_ns *ns)
{
}
+static inline void nvme_mpath_check_last_path(struct nvme_ns *ns)
+{
+}
#endif /* CONFIG_NVME_MULTIPATH */
#ifdef CONFIG_NVM
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index f5800c3c9082..d53550e612bc 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -448,12 +448,31 @@ static void **nvme_pci_iod_list(struct request *req)
return (void **)(iod->sg + blk_rq_nr_phys_segments(req));
}
+static inline bool nvme_pci_use_sgls(struct nvme_dev *dev, struct request *req)
+{
+ struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
+ unsigned int avg_seg_size;
+
+ avg_seg_size = DIV_ROUND_UP(blk_rq_payload_bytes(req),
+ blk_rq_nr_phys_segments(req));
+
+ if (!(dev->ctrl.sgls & ((1 << 0) | (1 << 1))))
+ return false;
+ if (!iod->nvmeq->qid)
+ return false;
+ if (!sgl_threshold || avg_seg_size < sgl_threshold)
+ return false;
+ return true;
+}
+
static blk_status_t nvme_init_iod(struct request *rq, struct nvme_dev *dev)
{
struct nvme_iod *iod = blk_mq_rq_to_pdu(rq);
int nseg = blk_rq_nr_phys_segments(rq);
unsigned int size = blk_rq_payload_bytes(rq);
+ iod->use_sgl = nvme_pci_use_sgls(dev, rq);
+
if (nseg > NVME_INT_PAGES || size > NVME_INT_BYTES(dev)) {
size_t alloc_size = nvme_pci_iod_alloc_size(dev, size, nseg,
iod->use_sgl);
@@ -604,8 +623,6 @@ static blk_status_t nvme_pci_setup_prps(struct nvme_dev *dev,
dma_addr_t prp_dma;
int nprps, i;
- iod->use_sgl = false;
-
length -= (page_size - offset);
if (length <= 0) {
iod->first_dma = 0;
@@ -715,8 +732,6 @@ static blk_status_t nvme_pci_setup_sgls(struct nvme_dev *dev,
int entries = iod->nents, i = 0;
dma_addr_t sgl_dma;
- iod->use_sgl = true;
-
/* setting the transfer type as SGL */
cmd->flags = NVME_CMD_SGL_METABUF;
@@ -770,23 +785,6 @@ static blk_status_t nvme_pci_setup_sgls(struct nvme_dev *dev,
return BLK_STS_OK;
}
-static inline bool nvme_pci_use_sgls(struct nvme_dev *dev, struct request *req)
-{
- struct nvme_iod *iod = blk_mq_rq_to_pdu(req);
- unsigned int avg_seg_size;
-
- avg_seg_size = DIV_ROUND_UP(blk_rq_payload_bytes(req),
- blk_rq_nr_phys_segments(req));
-
- if (!(dev->ctrl.sgls & ((1 << 0) | (1 << 1))))
- return false;
- if (!iod->nvmeq->qid)
- return false;
- if (!sgl_threshold || avg_seg_size < sgl_threshold)
- return false;
- return true;
-}
-
static blk_status_t nvme_map_data(struct nvme_dev *dev, struct request *req,
struct nvme_command *cmnd)
{
@@ -806,7 +804,7 @@ static blk_status_t nvme_map_data(struct nvme_dev *dev, struct request *req,
DMA_ATTR_NO_WARN))
goto out;
- if (nvme_pci_use_sgls(dev, req))
+ if (iod->use_sgl)
ret = nvme_pci_setup_sgls(dev, req, &cmnd->rw);
else
ret = nvme_pci_setup_prps(dev, req, &cmnd->rw);
diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c
index 37af56596be6..2a0bba7f50cf 100644
--- a/drivers/nvme/host/rdma.c
+++ b/drivers/nvme/host/rdma.c
@@ -974,12 +974,18 @@ static void nvme_rdma_error_recovery_work(struct work_struct *work)
blk_mq_unquiesce_queue(ctrl->ctrl.admin_q);
nvme_start_queues(&ctrl->ctrl);
+ if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_RECONNECTING)) {
+ /* state change failure should never happen */
+ WARN_ON_ONCE(1);
+ return;
+ }
+
nvme_rdma_reconnect_or_remove(ctrl);
}
static void nvme_rdma_error_recovery(struct nvme_rdma_ctrl *ctrl)
{
- if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_RECONNECTING))
+ if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_RESETTING))
return;
queue_work(nvme_wq, &ctrl->err_work);
@@ -1753,6 +1759,12 @@ static void nvme_rdma_reset_ctrl_work(struct work_struct *work)
nvme_stop_ctrl(&ctrl->ctrl);
nvme_rdma_shutdown_ctrl(ctrl, false);
+ if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_RECONNECTING)) {
+ /* state change failure should never happen */
+ WARN_ON_ONCE(1);
+ return;
+ }
+
ret = nvme_rdma_configure_admin_queue(ctrl, false);
if (ret)
goto out_fail;
diff --git a/drivers/nvme/target/fcloop.c b/drivers/nvme/target/fcloop.c
index 7b75d9de55ab..6a018a0bd6ce 100644
--- a/drivers/nvme/target/fcloop.c
+++ b/drivers/nvme/target/fcloop.c
@@ -1085,7 +1085,7 @@ fcloop_delete_target_port(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct fcloop_nport *nport = NULL, *tmpport;
- struct fcloop_tport *tport;
+ struct fcloop_tport *tport = NULL;
u64 nodename, portname;
unsigned long flags;
int ret;
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 3481e69738b5..a327be1d264b 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -231,7 +231,12 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
rc = of_mdiobus_register_phy(mdio, child, addr);
else
rc = of_mdiobus_register_device(mdio, child, addr);
- if (rc)
+
+ if (rc == -ENODEV)
+ dev_err(&mdio->dev,
+ "MDIO device at address %d is missing.\n",
+ addr);
+ else if (rc)
goto unregister;
}
@@ -255,7 +260,7 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
if (of_mdiobus_child_is_phy(child)) {
rc = of_mdiobus_register_phy(mdio, child, addr);
- if (rc)
+ if (rc && rc != -ENODEV)
goto unregister;
}
}
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 791449a2370f..daa68acbc900 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -1458,5 +1458,5 @@ static void __exit acpi_wmi_exit(void)
class_unregister(&wmi_bus_class);
}
-subsys_initcall(acpi_wmi_init);
+subsys_initcall_sync(acpi_wmi_init);
module_exit(acpi_wmi_exit);
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index b63a592ad29d..0b25cf87b6d6 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -43,7 +43,14 @@ struct bpf_map_ops {
};
struct bpf_map {
- atomic_t refcnt;
+ /* 1st cacheline with read-mostly members of which some
+ * are also accessed in fast-path (e.g. ops, max_entries).
+ */
+ const struct bpf_map_ops *ops ____cacheline_aligned;
+ struct bpf_map *inner_map_meta;
+#ifdef CONFIG_SECURITY
+ void *security;
+#endif
enum bpf_map_type map_type;
u32 key_size;
u32 value_size;
@@ -52,15 +59,17 @@ struct bpf_map {
u32 pages;
u32 id;
int numa_node;
- struct user_struct *user;
- const struct bpf_map_ops *ops;
- struct work_struct work;
+ bool unpriv_array;
+ /* 7 bytes hole */
+
+ /* 2nd cacheline with misc members to avoid false sharing
+ * particularly with refcounting.
+ */
+ struct user_struct *user ____cacheline_aligned;
+ atomic_t refcnt;
atomic_t usercnt;
- struct bpf_map *inner_map_meta;
+ struct work_struct work;
char name[BPF_OBJ_NAME_LEN];
-#ifdef CONFIG_SECURITY
- void *security;
-#endif
};
/* function argument constraints */
@@ -221,6 +230,7 @@ struct bpf_prog_aux {
struct bpf_array {
struct bpf_map map;
u32 elem_size;
+ u32 index_mask;
/* 'ownership' of prog_array is claimed by the first program that
* is going to use this map or by the first program which FD is stored
* in the map to make sure that all callers and callees have the same
diff --git a/include/linux/sh_eth.h b/include/linux/sh_eth.h
index ff3642d267f7..94081e9a5010 100644
--- a/include/linux/sh_eth.h
+++ b/include/linux/sh_eth.h
@@ -17,7 +17,6 @@ struct sh_eth_plat_data {
unsigned char mac_addr[ETH_ALEN];
unsigned no_ether_link:1;
unsigned ether_link_active_low:1;
- unsigned needs_init:1;
};
#endif
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 2f8f93da5dc2..9a5ccf03a59b 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -966,7 +966,7 @@ void sctp_transport_burst_limited(struct sctp_transport *);
void sctp_transport_burst_reset(struct sctp_transport *);
unsigned long sctp_transport_timeout(struct sctp_transport *);
void sctp_transport_reset(struct sctp_transport *t);
-void sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu);
+bool sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu);
void sctp_transport_immediate_rtx(struct sctp_transport *);
void sctp_transport_dst_release(struct sctp_transport *t);
void sctp_transport_dst_confirm(struct sctp_transport *t);
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index 13223396dc64..f96391e84a8a 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -146,7 +146,7 @@ struct vxlanhdr_gpe {
np_applied:1,
instance_applied:1,
version:2,
-reserved_flags2:2;
+ reserved_flags2:2;
#elif defined(__BIG_ENDIAN_BITFIELD)
u8 reserved_flags2:2,
version:2,
diff --git a/include/uapi/linux/if_ether.h b/include/uapi/linux/if_ether.h
index 3ee3bf7c8526..144de4d2f385 100644
--- a/include/uapi/linux/if_ether.h
+++ b/include/uapi/linux/if_ether.h
@@ -23,6 +23,7 @@
#define _UAPI_LINUX_IF_ETHER_H
#include <linux/types.h>
+#include <linux/libc-compat.h>
/*
* IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble
@@ -149,11 +150,13 @@
* This is an Ethernet frame header.
*/
+#if __UAPI_DEF_ETHHDR
struct ethhdr {
unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
unsigned char h_source[ETH_ALEN]; /* source ether addr */
__be16 h_proto; /* packet type ID field */
} __attribute__((packed));
+#endif
#endif /* _UAPI_LINUX_IF_ETHER_H */
diff --git a/include/uapi/linux/libc-compat.h b/include/uapi/linux/libc-compat.h
index 282875cf8056..fc29efaa918c 100644
--- a/include/uapi/linux/libc-compat.h
+++ b/include/uapi/linux/libc-compat.h
@@ -168,47 +168,106 @@
/* If we did not see any headers from any supported C libraries,
* or we are being included in the kernel, then define everything
- * that we need. */
+ * that we need. Check for previous __UAPI_* definitions to give
+ * unsupported C libraries a way to opt out of any kernel definition. */
#else /* !defined(__GLIBC__) */
/* Definitions for if.h */
+#ifndef __UAPI_DEF_IF_IFCONF
#define __UAPI_DEF_IF_IFCONF 1
+#endif
+#ifndef __UAPI_DEF_IF_IFMAP
#define __UAPI_DEF_IF_IFMAP 1
+#endif
+#ifndef __UAPI_DEF_IF_IFNAMSIZ
#define __UAPI_DEF_IF_IFNAMSIZ 1
+#endif
+#ifndef __UAPI_DEF_IF_IFREQ
#define __UAPI_DEF_IF_IFREQ 1
+#endif
/* Everything up to IFF_DYNAMIC, matches net/if.h until glibc 2.23 */
+#ifndef __UAPI_DEF_IF_NET_DEVICE_FLAGS
#define __UAPI_DEF_IF_NET_DEVICE_FLAGS 1
+#endif
/* For the future if glibc adds IFF_LOWER_UP, IFF_DORMANT and IFF_ECHO */
+#ifndef __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO
#define __UAPI_DEF_IF_NET_DEVICE_FLAGS_LOWER_UP_DORMANT_ECHO 1
+#endif
/* Definitions for in.h */
+#ifndef __UAPI_DEF_IN_ADDR
#define __UAPI_DEF_IN_ADDR 1
+#endif
+#ifndef __UAPI_DEF_IN_IPPROTO
#define __UAPI_DEF_IN_IPPROTO 1
+#endif
+#ifndef __UAPI_DEF_IN_PKTINFO
#define __UAPI_DEF_IN_PKTINFO 1
+#endif
+#ifndef __UAPI_DEF_IP_MREQ
#define __UAPI_DEF_IP_MREQ 1
+#endif
+#ifndef __UAPI_DEF_SOCKADDR_IN
#define __UAPI_DEF_SOCKADDR_IN 1
+#endif
+#ifndef __UAPI_DEF_IN_CLASS
#define __UAPI_DEF_IN_CLASS 1
+#endif
/* Definitions for in6.h */
+#ifndef __UAPI_DEF_IN6_ADDR
#define __UAPI_DEF_IN6_ADDR 1
+#endif
+#ifndef __UAPI_DEF_IN6_ADDR_ALT
#define __UAPI_DEF_IN6_ADDR_ALT 1
+#endif
+#ifndef __UAPI_DEF_SOCKADDR_IN6
#define __UAPI_DEF_SOCKADDR_IN6 1
+#endif
+#ifndef __UAPI_DEF_IPV6_MREQ
#define __UAPI_DEF_IPV6_MREQ 1
+#endif
+#ifndef __UAPI_DEF_IPPROTO_V6
#define __UAPI_DEF_IPPROTO_V6 1
+#endif
+#ifndef __UAPI_DEF_IPV6_OPTIONS
#define __UAPI_DEF_IPV6_OPTIONS 1
+#endif
+#ifndef __UAPI_DEF_IN6_PKTINFO
#define __UAPI_DEF_IN6_PKTINFO 1
+#endif
+#ifndef __UAPI_DEF_IP6_MTUINFO
#define __UAPI_DEF_IP6_MTUINFO 1
+#endif
/* Definitions for ipx.h */
+#ifndef __UAPI_DEF_SOCKADDR_IPX
#define __UAPI_DEF_SOCKADDR_IPX 1
+#endif
+#ifndef __UAPI_DEF_IPX_ROUTE_DEFINITION
#define __UAPI_DEF_IPX_ROUTE_DEFINITION 1
+#endif
+#ifndef __UAPI_DEF_IPX_INTERFACE_DEFINITION
#define __UAPI_DEF_IPX_INTERFACE_DEFINITION 1
+#endif
+#ifndef __UAPI_DEF_IPX_CONFIG_DATA
#define __UAPI_DEF_IPX_CONFIG_DATA 1
+#endif
+#ifndef __UAPI_DEF_IPX_ROUTE_DEF
#define __UAPI_DEF_IPX_ROUTE_DEF 1
+#endif
/* Definitions for xattr.h */
+#ifndef __UAPI_DEF_XATTR
#define __UAPI_DEF_XATTR 1
+#endif
#endif /* __GLIBC__ */
+/* Definitions for if_ether.h */
+/* allow libcs like musl to deactivate this, glibc does not implement this. */
+#ifndef __UAPI_DEF_ETHHDR
+#define __UAPI_DEF_ETHHDR 1
+#endif
+
#endif /* _UAPI_LIBC_COMPAT_H */
diff --git a/include/uapi/linux/netfilter/nf_conntrack_common.h b/include/uapi/linux/netfilter/nf_conntrack_common.h
index 3fea7709a441..57ccfb32e87f 100644
--- a/include/uapi/linux/netfilter/nf_conntrack_common.h
+++ b/include/uapi/linux/netfilter/nf_conntrack_common.h
@@ -36,7 +36,7 @@ enum ip_conntrack_info {
#define NF_CT_STATE_INVALID_BIT (1 << 0)
#define NF_CT_STATE_BIT(ctinfo) (1 << ((ctinfo) % IP_CT_IS_REPLY + 1))
-#define NF_CT_STATE_UNTRACKED_BIT (1 << (IP_CT_UNTRACKED + 1))
+#define NF_CT_STATE_UNTRACKED_BIT (1 << 6)
/* Bitset representing status of connection. */
enum ip_conntrack_status {
diff --git a/init/Kconfig b/init/Kconfig
index 690a381adee0..19a6b845d834 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1396,6 +1396,13 @@ config BPF_SYSCALL
Enable the bpf() system call that allows to manipulate eBPF
programs and maps via file descriptors.
+config BPF_JIT_ALWAYS_ON
+ bool "Permanently enable BPF JIT and remove BPF interpreter"
+ depends on BPF_SYSCALL && HAVE_EBPF_JIT && BPF_JIT
+ help
+ Enables BPF JIT and removes BPF interpreter to avoid
+ speculative execution of BPF instructions by the interpreter
+
config USERFAULTFD
bool "Enable userfaultfd() system call"
select ANON_INODES
diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c
index 7c25426d3cf5..aaa319848e7d 100644
--- a/kernel/bpf/arraymap.c
+++ b/kernel/bpf/arraymap.c
@@ -53,9 +53,10 @@ static struct bpf_map *array_map_alloc(union bpf_attr *attr)
{
bool percpu = attr->map_type == BPF_MAP_TYPE_PERCPU_ARRAY;
int numa_node = bpf_map_attr_numa_node(attr);
+ u32 elem_size, index_mask, max_entries;
+ bool unpriv = !capable(CAP_SYS_ADMIN);
struct bpf_array *array;
u64 array_size;
- u32 elem_size;
/* check sanity of attributes */
if (attr->max_entries == 0 || attr->key_size != 4 ||
@@ -72,11 +73,20 @@ static struct bpf_map *array_map_alloc(union bpf_attr *attr)
elem_size = round_up(attr->value_size, 8);
+ max_entries = attr->max_entries;
+ index_mask = roundup_pow_of_two(max_entries) - 1;
+
+ if (unpriv)
+ /* round up array size to nearest power of 2,
+ * since cpu will speculate within index_mask limits
+ */
+ max_entries = index_mask + 1;
+
array_size = sizeof(*array);
if (percpu)
- array_size += (u64) attr->max_entries * sizeof(void *);
+ array_size += (u64) max_entries * sizeof(void *);
else
- array_size += (u64) attr->max_entries * elem_size;
+ array_size += (u64) max_entries * elem_size;
/* make sure there is no u32 overflow later in round_up() */
if (array_size >= U32_MAX - PAGE_SIZE)
@@ -86,6 +96,8 @@ static struct bpf_map *array_map_alloc(union bpf_attr *attr)
array = bpf_map_area_alloc(array_size, numa_node);
if (!array)
return ERR_PTR(-ENOMEM);
+ array->index_mask = index_mask;
+ array->map.unpriv_array = unpriv;
/* copy mandatory map attributes */
array->map.map_type = attr->map_type;
@@ -121,12 +133,13 @@ static void *array_map_lookup_elem(struct bpf_map *map, void *key)
if (unlikely(index >= array->map.max_entries))
return NULL;
- return array->value + array->elem_size * index;
+ return array->value + array->elem_size * (index & array->index_mask);
}
/* emit BPF instructions equivalent to C code of array_map_lookup_elem() */
static u32 array_map_gen_lookup(struct bpf_map *map, struct bpf_insn *insn_buf)
{
+ struct bpf_array *array = container_of(map, struct bpf_array, map);
struct bpf_insn *insn = insn_buf;
u32 elem_size = round_up(map->value_size, 8);
const int ret = BPF_REG_0;
@@ -135,7 +148,12 @@ static u32 array_map_gen_lookup(struct bpf_map *map, struct bpf_insn *insn_buf)
*insn++ = BPF_ALU64_IMM(BPF_ADD, map_ptr, offsetof(struct bpf_array, value));
*insn++ = BPF_LDX_MEM(BPF_W, ret, index, 0);
- *insn++ = BPF_JMP_IMM(BPF_JGE, ret, map->max_entries, 3);
+ if (map->unpriv_array) {
+ *insn++ = BPF_JMP_IMM(BPF_JGE, ret, map->max_entries, 4);
+ *insn++ = BPF_ALU32_IMM(BPF_AND, ret, array->index_mask);
+ } else {
+ *insn++ = BPF_JMP_IMM(BPF_JGE, ret, map->max_entries, 3);
+ }
if (is_power_of_2(elem_size)) {
*insn++ = BPF_ALU64_IMM(BPF_LSH, ret, ilog2(elem_size));
@@ -157,7 +175,7 @@ static void *percpu_array_map_lookup_elem(struct bpf_map *map, void *key)
if (unlikely(index >= array->map.max_entries))
return NULL;
- return this_cpu_ptr(array->pptrs[index]);
+ return this_cpu_ptr(array->pptrs[index & array->index_mask]);
}
int bpf_percpu_array_copy(struct bpf_map *map, void *key, void *value)
@@ -177,7 +195,7 @@ int bpf_percpu_array_copy(struct bpf_map *map, void *key, void *value)
*/
size = round_up(map->value_size, 8);
rcu_read_lock();
- pptr = array->pptrs[index];
+ pptr = array->pptrs[index & array->index_mask];
for_each_possible_cpu(cpu) {
bpf_long_memcpy(value + off, per_cpu_ptr(pptr, cpu), size);
off += size;
@@ -225,10 +243,11 @@ static int array_map_update_elem(struct bpf_map *map, void *key, void *value,
return -EEXIST;
if (array->map.map_type == BPF_MAP_TYPE_PERCPU_ARRAY)
- memcpy(this_cpu_ptr(array->pptrs[index]),
+ memcpy(this_cpu_ptr(array->pptrs[index & array->index_mask]),
value, map->value_size);
else
- memcpy(array->value + array->elem_size * index,
+ memcpy(array->value +
+ array->elem_size * (index & array->index_mask),
value, map->value_size);
return 0;
}
@@ -262,7 +281,7 @@ int bpf_percpu_array_update(struct bpf_map *map, void *key, void *value,
*/
size = round_up(map->value_size, 8);
rcu_read_lock();
- pptr = array->pptrs[index];
+ pptr = array->pptrs[index & array->index_mask];
for_each_possible_cpu(cpu) {
bpf_long_memcpy(per_cpu_ptr(pptr, cpu), value + off, size);
off += size;
@@ -613,6 +632,7 @@ static void *array_of_map_lookup_elem(struct bpf_map *map, void *key)
static u32 array_of_map_gen_lookup(struct bpf_map *map,
struct bpf_insn *insn_buf)
{
+ struct bpf_array *array = container_of(map, struct bpf_array, map);
u32 elem_size = round_up(map->value_size, 8);
struct bpf_insn *insn = insn_buf;
const int ret = BPF_REG_0;
@@ -621,7 +641,12 @@ static u32 array_of_map_gen_lookup(struct bpf_map *map,
*insn++ = BPF_ALU64_IMM(BPF_ADD, map_ptr, offsetof(struct bpf_array, value));
*insn++ = BPF_LDX_MEM(BPF_W, ret, index, 0);
- *insn++ = BPF_JMP_IMM(BPF_JGE, ret, map->max_entries, 5);
+ if (map->unpriv_array) {
+ *insn++ = BPF_JMP_IMM(BPF_JGE, ret, map->max_entries, 6);
+ *insn++ = BPF_ALU32_IMM(BPF_AND, ret, array->index_mask);
+ } else {
+ *insn++ = BPF_JMP_IMM(BPF_JGE, ret, map->max_entries, 5);
+ }
if (is_power_of_2(elem_size))
*insn++ = BPF_ALU64_IMM(BPF_LSH, ret, ilog2(elem_size));
else
diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index 86b50aa26ee8..51ec2dda7f08 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -767,6 +767,7 @@ noinline u64 __bpf_call_base(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5)
}
EXPORT_SYMBOL_GPL(__bpf_call_base);
+#ifndef CONFIG_BPF_JIT_ALWAYS_ON
/**
* __bpf_prog_run - run eBPF program on a given context
* @ctx: is the data we are operating on
@@ -1317,6 +1318,14 @@ EVAL6(PROG_NAME_LIST, 224, 256, 288, 320, 352, 384)
EVAL4(PROG_NAME_LIST, 416, 448, 480, 512)
};
+#else
+static unsigned int __bpf_prog_ret0(const void *ctx,
+ const struct bpf_insn *insn)
+{
+ return 0;
+}
+#endif
+
bool bpf_prog_array_compatible(struct bpf_array *array,
const struct bpf_prog *fp)
{
@@ -1364,9 +1373,13 @@ static int bpf_check_tail_call(const struct bpf_prog *fp)
*/
struct bpf_prog *bpf_prog_select_runtime(struct bpf_prog *fp, int *err)
{
+#ifndef CONFIG_BPF_JIT_ALWAYS_ON
u32 stack_depth = max_t(u32, fp->aux->stack_depth, 1);
fp->bpf_func = interpreters[(round_up(stack_depth, 32) / 32) - 1];
+#else
+ fp->bpf_func = __bpf_prog_ret0;
+#endif
/* eBPF JITs can rewrite the program in case constant
* blinding is active. However, in case of error during
@@ -1376,6 +1389,12 @@ struct bpf_prog *bpf_prog_select_runtime(struct bpf_prog *fp, int *err)
*/
if (!bpf_prog_is_dev_bound(fp->aux)) {
fp = bpf_int_jit_compile(fp);
+#ifdef CONFIG_BPF_JIT_ALWAYS_ON
+ if (!fp->jited) {
+ *err = -ENOTSUPP;
+ return fp;
+ }
+#endif
} else {
*err = bpf_prog_offload_compile(fp);
if (*err)
diff --git a/kernel/bpf/sockmap.c b/kernel/bpf/sockmap.c
index 5ee2e41893d9..1712d319c2d8 100644
--- a/kernel/bpf/sockmap.c
+++ b/kernel/bpf/sockmap.c
@@ -591,8 +591,15 @@ static void sock_map_free(struct bpf_map *map)
write_lock_bh(&sock->sk_callback_lock);
psock = smap_psock_sk(sock);
- smap_list_remove(psock, &stab->sock_map[i]);
- smap_release_sock(psock, sock);
+ /* This check handles a racing sock event that can get the
+ * sk_callback_lock before this case but after xchg happens
+ * causing the refcnt to hit zero and sock user data (psock)
+ * to be null and queued for garbage collection.
+ */
+ if (likely(psock)) {
+ smap_list_remove(psock, &stab->sock_map[i]);
+ smap_release_sock(psock, sock);
+ }
write_unlock_bh(&sock->sk_callback_lock);
}
rcu_read_unlock();
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 04b24876cd23..b414d6b2d470 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -1729,6 +1729,13 @@ static int check_call(struct bpf_verifier_env *env, int func_id, int insn_idx)
err = check_func_arg(env, BPF_REG_2, fn->arg2_type, &meta);
if (err)
return err;
+ if (func_id == BPF_FUNC_tail_call) {
+ if (meta.map_ptr == NULL) {
+ verbose(env, "verifier bug\n");
+ return -EINVAL;
+ }
+ env->insn_aux_data[insn_idx].map_ptr = meta.map_ptr;
+ }
err = check_func_arg(env, BPF_REG_3, fn->arg3_type, &meta);
if (err)
return err;
@@ -4456,6 +4463,35 @@ static int fixup_bpf_calls(struct bpf_verifier_env *env)
*/
insn->imm = 0;
insn->code = BPF_JMP | BPF_TAIL_CALL;
+
+ /* instead of changing every JIT dealing with tail_call
+ * emit two extra insns:
+ * if (index >= max_entries) goto out;
+ * index &= array->index_mask;
+ * to avoid out-of-bounds cpu speculation
+ */
+ map_ptr = env->insn_aux_data[i + delta].map_ptr;
+ if (map_ptr == BPF_MAP_PTR_POISON) {
+ verbose(env, "tail_call obusing map_ptr\n");
+ return -EINVAL;
+ }
+ if (!map_ptr->unpriv_array)
+ continue;
+ insn_buf[0] = BPF_JMP_IMM(BPF_JGE, BPF_REG_3,
+ map_ptr->max_entries, 2);
+ insn_buf[1] = BPF_ALU32_IMM(BPF_AND, BPF_REG_3,
+ container_of(map_ptr,
+ struct bpf_array,
+ map)->index_mask);
+ insn_buf[2] = *insn;
+ cnt = 3;
+ new_prog = bpf_patch_insn_data(env, i + delta, insn_buf, cnt);
+ if (!new_prog)
+ return -ENOMEM;
+
+ delta += cnt - 1;
+ env->prog = prog = new_prog;
+ insn = new_prog->insnsi + i + delta;
continue;
}
diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c
index 024085daab1a..a2c05d2476ac 100644
--- a/kernel/cgroup/cgroup-v1.c
+++ b/kernel/cgroup/cgroup-v1.c
@@ -123,7 +123,11 @@ int cgroup_transfer_tasks(struct cgroup *to, struct cgroup *from)
*/
do {
css_task_iter_start(&from->self, 0, &it);
- task = css_task_iter_next(&it);
+
+ do {
+ task = css_task_iter_next(&it);
+ } while (task && (task->flags & PF_EXITING));
+
if (task)
get_task_struct(task);
css_task_iter_end(&it);
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 0b1ffe147f24..2cf06c274e4c 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -1397,7 +1397,7 @@ static char *cgroup_file_name(struct cgroup *cgrp, const struct cftype *cft,
cgroup_on_dfl(cgrp) ? ss->name : ss->legacy_name,
cft->name);
else
- strncpy(buf, cft->name, CGROUP_FILE_NAME_MAX);
+ strlcpy(buf, cft->name, CGROUP_FILE_NAME_MAX);
return buf;
}
@@ -1864,9 +1864,9 @@ void init_cgroup_root(struct cgroup_root *root, struct cgroup_sb_opts *opts)
root->flags = opts->flags;
if (opts->release_agent)
- strcpy(root->release_agent_path, opts->release_agent);
+ strlcpy(root->release_agent_path, opts->release_agent, PATH_MAX);
if (opts->name)
- strcpy(root->name, opts->name);
+ strlcpy(root->name, opts->name, MAX_CGROUP_ROOT_NAMELEN);
if (opts->cpuset_clone_children)
set_bit(CGRP_CPUSET_CLONE_CHILDREN, &root->cgrp.flags);
}
@@ -4125,26 +4125,24 @@ static void css_task_iter_advance_css_set(struct css_task_iter *it)
static void css_task_iter_advance(struct css_task_iter *it)
{
- struct list_head *l = it->task_pos;
+ struct list_head *next;
lockdep_assert_held(&css_set_lock);
- WARN_ON_ONCE(!l);
-
repeat:
/*
* Advance iterator to find next entry. cset->tasks is consumed
* first and then ->mg_tasks. After ->mg_tasks, we move onto the
* next cset.
*/
- l = l->next;
+ next = it->task_pos->next;
- if (l == it->tasks_head)
- l = it->mg_tasks_head->next;
+ if (next == it->tasks_head)
+ next = it->mg_tasks_head->next;
- if (l == it->mg_tasks_head)
+ if (next == it->mg_tasks_head)
css_task_iter_advance_css_set(it);
else
- it->task_pos = l;
+ it->task_pos = next;
/* if PROCS, skip over tasks which aren't group leaders */
if ((it->flags & CSS_TASK_ITER_PROCS) && it->task_pos &&
diff --git a/lib/test_bpf.c b/lib/test_bpf.c
index 9e9748089270..f369889e521d 100644
--- a/lib/test_bpf.c
+++ b/lib/test_bpf.c
@@ -6250,9 +6250,8 @@ static struct bpf_prog *generate_filter(int which, int *err)
return NULL;
}
}
- /* We don't expect to fail. */
if (*err) {
- pr_cont("FAIL to attach err=%d len=%d\n",
+ pr_cont("FAIL to prog_create err=%d len=%d\n",
*err, fprog.len);
return NULL;
}
@@ -6276,6 +6275,10 @@ static struct bpf_prog *generate_filter(int which, int *err)
* checks.
*/
fp = bpf_prog_select_runtime(fp, err);
+ if (*err) {
+ pr_cont("FAIL to select_runtime err=%d\n", *err);
+ return NULL;
+ }
break;
}
@@ -6461,8 +6464,8 @@ static __init int test_bpf(void)
pass_cnt++;
continue;
}
-
- return err;
+ err_cnt++;
+ continue;
}
pr_cont("jited:%u ", fp->jited);
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 8dfdd94e430f..bad01b14a4ad 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -111,12 +111,7 @@ void unregister_vlan_dev(struct net_device *dev, struct list_head *head)
vlan_gvrp_uninit_applicant(real_dev);
}
- /* Take it out of our own structures, but be sure to interlock with
- * HW accelerating devices or SW vlan input packet processing if
- * VLAN is not 0 (leave it there for 802.1p).
- */
- if (vlan_id)
- vlan_vid_del(real_dev, vlan->vlan_proto, vlan_id);
+ vlan_vid_del(real_dev, vlan->vlan_proto, vlan_id);
/* Get rid of the vlan's reference to real_dev */
dev_put(real_dev);
diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c
index 2d38b6e34203..e0adcd123f48 100644
--- a/net/caif/caif_dev.c
+++ b/net/caif/caif_dev.c
@@ -334,9 +334,8 @@ void caif_enroll_dev(struct net_device *dev, struct caif_dev_common *caifdev,
mutex_lock(&caifdevs->lock);
list_add_rcu(&caifd->list, &caifdevs->list);
- strncpy(caifd->layer.name, dev->name,
- sizeof(caifd->layer.name) - 1);
- caifd->layer.name[sizeof(caifd->layer.name) - 1] = 0;
+ strlcpy(caifd->layer.name, dev->name,
+ sizeof(caifd->layer.name));
caifd->layer.transmit = transmit;
cfcnfg_add_phy_layer(cfg,
dev,
diff --git a/net/caif/caif_usb.c b/net/caif/caif_usb.c
index 5cd44f001f64..1a082a946045 100644
--- a/net/caif/caif_usb.c
+++ b/net/caif/caif_usb.c
@@ -176,9 +176,7 @@ static int cfusbl_device_notify(struct notifier_block *me, unsigned long what,
dev_add_pack(&caif_usb_type);
pack_added = true;
- strncpy(layer->name, dev->name,
- sizeof(layer->name) - 1);
- layer->name[sizeof(layer->name) - 1] = 0;
+ strlcpy(layer->name, dev->name, sizeof(layer->name));
return 0;
}
diff --git a/net/caif/cfcnfg.c b/net/caif/cfcnfg.c
index 273cb07f57d8..8f00bea093b9 100644
--- a/net/caif/cfcnfg.c
+++ b/net/caif/cfcnfg.c
@@ -268,17 +268,15 @@ static int caif_connect_req_to_link_param(struct cfcnfg *cnfg,
case CAIFPROTO_RFM:
l->linktype = CFCTRL_SRV_RFM;
l->u.datagram.connid = s->sockaddr.u.rfm.connection_id;
- strncpy(l->u.rfm.volume, s->sockaddr.u.rfm.volume,
- sizeof(l->u.rfm.volume)-1);
- l->u.rfm.volume[sizeof(l->u.rfm.volume)-1] = 0;
+ strlcpy(l->u.rfm.volume, s->sockaddr.u.rfm.volume,
+ sizeof(l->u.rfm.volume));
break;
case CAIFPROTO_UTIL:
l->linktype = CFCTRL_SRV_UTIL;
l->endpoint = 0x00;
l->chtype = 0x00;
- strncpy(l->u.utility.name, s->sockaddr.u.util.service,
- sizeof(l->u.utility.name)-1);
- l->u.utility.name[sizeof(l->u.utility.name)-1] = 0;
+ strlcpy(l->u.utility.name, s->sockaddr.u.util.service,
+ sizeof(l->u.utility.name));
caif_assert(sizeof(l->u.utility.name) > 10);
l->u.utility.paramlen = s->param.size;
if (l->u.utility.paramlen > sizeof(l->u.utility.params))
diff --git a/net/caif/cfctrl.c b/net/caif/cfctrl.c
index f5afda1abc76..655ed7032150 100644
--- a/net/caif/cfctrl.c
+++ b/net/caif/cfctrl.c
@@ -258,8 +258,8 @@ int cfctrl_linkup_request(struct cflayer *layer,
tmp16 = cpu_to_le16(param->u.utility.fifosize_bufs);
cfpkt_add_body(pkt, &tmp16, 2);
memset(utility_name, 0, sizeof(utility_name));
- strncpy(utility_name, param->u.utility.name,
- UTILITY_NAME_LENGTH - 1);
+ strlcpy(utility_name, param->u.utility.name,
+ UTILITY_NAME_LENGTH);
cfpkt_add_body(pkt, utility_name, UTILITY_NAME_LENGTH);
tmp8 = param->u.utility.paramlen;
cfpkt_add_body(pkt, &tmp8, 1);
diff --git a/net/core/dev.c b/net/core/dev.c
index 01ee854454a8..0e0ba36eeac9 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1146,7 +1146,19 @@ EXPORT_SYMBOL(dev_alloc_name);
int dev_get_valid_name(struct net *net, struct net_device *dev,
const char *name)
{
- return dev_alloc_name_ns(net, dev, name);
+ BUG_ON(!net);
+
+ if (!dev_valid_name(name))
+ return -EINVAL;
+
+ if (strchr(name, '%'))
+ return dev_alloc_name_ns(net, dev, name);
+ else if (__dev_get_by_name(net, name))
+ return -EEXIST;
+ else if (dev->name != name)
+ strlcpy(dev->name, name, IFNAMSIZ);
+
+ return 0;
}
EXPORT_SYMBOL(dev_get_valid_name);
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index f8fcf450a36e..8225416911ae 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -770,15 +770,6 @@ static int ethtool_set_link_ksettings(struct net_device *dev,
return dev->ethtool_ops->set_link_ksettings(dev, &link_ksettings);
}
-static void
-warn_incomplete_ethtool_legacy_settings_conversion(const char *details)
-{
- char name[sizeof(current->comm)];
-
- pr_info_once("warning: `%s' uses legacy ethtool link settings API, %s\n",
- get_task_comm(name, current), details);
-}
-
/* Query device for its ethtool_cmd settings.
*
* Backward compatibility note: for compatibility with legacy ethtool,
@@ -805,10 +796,8 @@ static int ethtool_get_settings(struct net_device *dev, void __user *useraddr)
&link_ksettings);
if (err < 0)
return err;
- if (!convert_link_ksettings_to_legacy_settings(&cmd,
- &link_ksettings))
- warn_incomplete_ethtool_legacy_settings_conversion(
- "link modes are only partially reported");
+ convert_link_ksettings_to_legacy_settings(&cmd,
+ &link_ksettings);
/* send a sensible cmd tag back to user */
cmd.cmd = ETHTOOL_GSET;
diff --git a/net/core/filter.c b/net/core/filter.c
index 6a85e67fafce..d339ef170df6 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -1054,11 +1054,9 @@ static struct bpf_prog *bpf_migrate_filter(struct bpf_prog *fp)
*/
goto out_err_free;
- /* We are guaranteed to never error here with cBPF to eBPF
- * transitions, since there's no issue with type compatibility
- * checks on program arrays.
- */
fp = bpf_prog_select_runtime(fp, &err);
+ if (err)
+ goto out_err_free;
kfree(old_prog);
return fp;
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index dabba2a91fc8..778d7f03404a 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1681,18 +1681,18 @@ static bool link_dump_filtered(struct net_device *dev,
return false;
}
-static struct net *get_target_net(struct sk_buff *skb, int netnsid)
+static struct net *get_target_net(struct sock *sk, int netnsid)
{
struct net *net;
- net = get_net_ns_by_id(sock_net(skb->sk), netnsid);
+ net = get_net_ns_by_id(sock_net(sk), netnsid);
if (!net)
return ERR_PTR(-EINVAL);
/* For now, the caller is required to have CAP_NET_ADMIN in
* the user namespace owning the target net ns.
*/
- if (!netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN)) {
+ if (!sk_ns_capable(sk, net->user_ns, CAP_NET_ADMIN)) {
put_net(net);
return ERR_PTR(-EACCES);
}
@@ -1733,7 +1733,7 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
ifla_policy, NULL) >= 0) {
if (tb[IFLA_IF_NETNSID]) {
netnsid = nla_get_s32(tb[IFLA_IF_NETNSID]);
- tgt_net = get_target_net(skb, netnsid);
+ tgt_net = get_target_net(skb->sk, netnsid);
if (IS_ERR(tgt_net)) {
tgt_net = net;
netnsid = -1;
@@ -2883,7 +2883,7 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr *nlh,
if (tb[IFLA_IF_NETNSID]) {
netnsid = nla_get_s32(tb[IFLA_IF_NETNSID]);
- tgt_net = get_target_net(skb, netnsid);
+ tgt_net = get_target_net(NETLINK_CB(skb).sk, netnsid);
if (IS_ERR(tgt_net))
return PTR_ERR(tgt_net);
}
diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
index 217f4e3b82f6..146b50e30659 100644
--- a/net/core/sock_diag.c
+++ b/net/core/sock_diag.c
@@ -288,7 +288,7 @@ static int sock_diag_bind(struct net *net, int group)
case SKNLGRP_INET6_UDP_DESTROY:
if (!sock_diag_handlers[AF_INET6])
request_module("net-pf-%d-proto-%d-type-%d", PF_NETLINK,
- NETLINK_SOCK_DIAG, AF_INET);
+ NETLINK_SOCK_DIAG, AF_INET6);
break;
}
return 0;
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index cbc3dde4cfcc..a47ad6cd41c0 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -325,7 +325,13 @@ static struct ctl_table net_core_table[] = {
.data = &bpf_jit_enable,
.maxlen = sizeof(int),
.mode = 0644,
+#ifndef CONFIG_BPF_JIT_ALWAYS_ON
.proc_handler = proc_dointvec
+#else
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &one,
+ .extra2 = &one,
+#endif
},
# ifdef CONFIG_HAVE_EBPF_JIT
{
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 125c1eab3eaa..5e570aa9e43b 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -520,9 +520,11 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
goto out;
/* hdrincl should be READ_ONCE(inet->hdrincl)
- * but READ_ONCE() doesn't work with bit fields
+ * but READ_ONCE() doesn't work with bit fields.
+ * Doing this indirectly yields the same result.
*/
hdrincl = inet->hdrincl;
+ hdrincl = READ_ONCE(hdrincl);
/*
* Check the flags.
*/
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 83bd75713535..bc68eb661970 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -925,6 +925,15 @@ static void ipv6_push_rthdr4(struct sk_buff *skb, u8 *proto,
sr_phdr->segments[0] = **addr_p;
*addr_p = &sr_ihdr->segments[sr_ihdr->segments_left];
+ if (sr_ihdr->hdrlen > hops * 2) {
+ int tlvs_offset, tlvs_length;
+
+ tlvs_offset = (1 + hops * 2) << 3;
+ tlvs_length = (sr_ihdr->hdrlen - hops * 2) << 3;
+ memcpy((char *)sr_phdr + tlvs_offset,
+ (char *)sr_ihdr + tlvs_offset, tlvs_length);
+ }
+
#ifdef CONFIG_IPV6_SEG6_HMAC
if (sr_has_hmac(sr_phdr)) {
struct net *net = NULL;
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index f5285f4e1d08..9dcc3924a975 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -640,6 +640,11 @@ static struct fib6_node *fib6_add_1(struct net *net,
if (!(fn->fn_flags & RTN_RTINFO)) {
RCU_INIT_POINTER(fn->leaf, NULL);
rt6_release(leaf);
+ /* remove null_entry in the root node */
+ } else if (fn->fn_flags & RTN_TL_ROOT &&
+ rcu_access_pointer(fn->leaf) ==
+ net->ipv6.ip6_null_entry) {
+ RCU_INIT_POINTER(fn->leaf, NULL);
}
return fn;
@@ -1241,23 +1246,28 @@ out:
* If fib6_add_1 has cleared the old leaf pointer in the
* super-tree leaf node we have to find a new one for it.
*/
- struct rt6_info *pn_leaf = rcu_dereference_protected(pn->leaf,
- lockdep_is_held(&table->tb6_lock));
- if (pn != fn && pn_leaf == rt) {
- pn_leaf = NULL;
- RCU_INIT_POINTER(pn->leaf, NULL);
- atomic_dec(&rt->rt6i_ref);
- }
- if (pn != fn && !pn_leaf && !(pn->fn_flags & RTN_RTINFO)) {
- pn_leaf = fib6_find_prefix(info->nl_net, table, pn);
-#if RT6_DEBUG >= 2
- if (!pn_leaf) {
- WARN_ON(!pn_leaf);
- pn_leaf = info->nl_net->ipv6.ip6_null_entry;
+ if (pn != fn) {
+ struct rt6_info *pn_leaf =
+ rcu_dereference_protected(pn->leaf,
+ lockdep_is_held(&table->tb6_lock));
+ if (pn_leaf == rt) {
+ pn_leaf = NULL;
+ RCU_INIT_POINTER(pn->leaf, NULL);
+ atomic_dec(&rt->rt6i_ref);
}
+ if (!pn_leaf && !(pn->fn_flags & RTN_RTINFO)) {
+ pn_leaf = fib6_find_prefix(info->nl_net, table,
+ pn);
+#if RT6_DEBUG >= 2
+ if (!pn_leaf) {
+ WARN_ON(!pn_leaf);
+ pn_leaf =
+ info->nl_net->ipv6.ip6_null_entry;
+ }
#endif
- atomic_inc(&pn_leaf->rt6i_ref);
- rcu_assign_pointer(pn->leaf, pn_leaf);
+ atomic_inc(&pn_leaf->rt6i_ref);
+ rcu_assign_pointer(pn->leaf, pn_leaf);
+ }
}
#endif
goto failure;
@@ -1265,13 +1275,17 @@ out:
return err;
failure:
- /* fn->leaf could be NULL if fn is an intermediate node and we
- * failed to add the new route to it in both subtree creation
- * failure and fib6_add_rt2node() failure case.
- * In both cases, fib6_repair_tree() should be called to fix
- * fn->leaf.
+ /* fn->leaf could be NULL and fib6_repair_tree() needs to be called if:
+ * 1. fn is an intermediate node and we failed to add the new
+ * route to it in both subtree creation failure and fib6_add_rt2node()
+ * failure case.
+ * 2. fn is the root node in the table and we fail to add the first
+ * default route to it.
*/
- if (fn && !(fn->fn_flags & (RTN_RTINFO|RTN_ROOT)))
+ if (fn &&
+ (!(fn->fn_flags & (RTN_RTINFO|RTN_ROOT)) ||
+ (fn->fn_flags & RTN_TL_ROOT &&
+ !rcu_access_pointer(fn->leaf))))
fib6_repair_tree(info->nl_net, table, fn);
/* Always release dst as dst->__refcnt is guaranteed
* to be taken before entering this function
@@ -1526,6 +1540,12 @@ static struct fib6_node *fib6_repair_tree(struct net *net,
struct fib6_walker *w;
int iter = 0;
+ /* Set fn->leaf to null_entry for root node. */
+ if (fn->fn_flags & RTN_TL_ROOT) {
+ rcu_assign_pointer(fn->leaf, net->ipv6.ip6_null_entry);
+ return fn;
+ }
+
for (;;) {
struct fib6_node *fn_r = rcu_dereference_protected(fn->right,
lockdep_is_held(&table->tb6_lock));
@@ -1680,10 +1700,15 @@ static void fib6_del_route(struct fib6_table *table, struct fib6_node *fn,
}
read_unlock(&net->ipv6.fib6_walker_lock);
- /* If it was last route, expunge its radix tree node */
+ /* If it was last route, call fib6_repair_tree() to:
+ * 1. For root node, put back null_entry as how the table was created.
+ * 2. For other nodes, expunge its radix tree node.
+ */
if (!rcu_access_pointer(fn->leaf)) {
- fn->fn_flags &= ~RTN_RTINFO;
- net->ipv6.rt6_stats->fib_route_nodes--;
+ if (!(fn->fn_flags & RTN_TL_ROOT)) {
+ fn->fn_flags &= ~RTN_RTINFO;
+ net->ipv6.rt6_stats->fib_route_nodes--;
+ }
fn = fib6_repair_tree(net, table, fn);
}
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index f7dd51c42314..688ba5f7516b 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1735,9 +1735,10 @@ struct sk_buff *ip6_make_skb(struct sock *sk,
cork.base.opt = NULL;
v6_cork.opt = NULL;
err = ip6_setup_cork(sk, &cork, &v6_cork, ipc6, rt, fl6);
- if (err)
+ if (err) {
+ ip6_cork_release(&cork, &v6_cork);
return ERR_PTR(err);
-
+ }
if (ipc6->dontfrag < 0)
ipc6->dontfrag = inet6_sk(sk)->dontfrag;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 931c38f6ff4a..9a7cf355bc8c 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1074,10 +1074,11 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield,
memcpy(&fl6->daddr, addr6, sizeof(fl6->daddr));
neigh_release(neigh);
}
- } else if (!(t->parms.flags &
- (IP6_TNL_F_USE_ORIG_TCLASS | IP6_TNL_F_USE_ORIG_FWMARK))) {
- /* enable the cache only only if the routing decision does
- * not depend on the current inner header value
+ } else if (t->parms.proto != 0 && !(t->parms.flags &
+ (IP6_TNL_F_USE_ORIG_TCLASS |
+ IP6_TNL_F_USE_ORIG_FWMARK))) {
+ /* enable the cache only if neither the outer protocol nor the
+ * routing decision depends on the current inner header value
*/
use_cache = true;
}
@@ -1676,11 +1677,11 @@ int ip6_tnl_change_mtu(struct net_device *dev, int new_mtu)
{
struct ip6_tnl *tnl = netdev_priv(dev);
- if (tnl->parms.proto == IPPROTO_IPIP) {
- if (new_mtu < ETH_MIN_MTU)
+ if (tnl->parms.proto == IPPROTO_IPV6) {
+ if (new_mtu < IPV6_MIN_MTU)
return -EINVAL;
} else {
- if (new_mtu < IPV6_MIN_MTU)
+ if (new_mtu < ETH_MIN_MTU)
return -EINVAL;
}
if (new_mtu > 0xFFF8 - dev->hard_header_len)
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 70e9d2ca8bbe..4daafb07602f 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3632,6 +3632,8 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
}
return true;
case NL80211_IFTYPE_MESH_POINT:
+ if (ether_addr_equal(sdata->vif.addr, hdr->addr2))
+ return false;
if (multicast)
return true;
return ether_addr_equal(sdata->vif.addr, hdr->addr1);
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 10798b357481..07bd4138c84e 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2072,7 +2072,7 @@ static int nf_tables_dump_rules(struct sk_buff *skb,
continue;
list_for_each_entry_rcu(chain, &table->chains, list) {
- if (ctx && ctx->chain[0] &&
+ if (ctx && ctx->chain &&
strcmp(ctx->chain, chain->name) != 0)
continue;
@@ -4665,8 +4665,10 @@ static int nf_tables_dump_obj_done(struct netlink_callback *cb)
{
struct nft_obj_filter *filter = cb->data;
- kfree(filter->table);
- kfree(filter);
+ if (filter) {
+ kfree(filter->table);
+ kfree(filter);
+ }
return 0;
}
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index bc2f1e0977d6..634cfcb7bba6 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -525,6 +525,9 @@ int rds_rdma_extra_size(struct rds_rdma_args *args)
local_vec = (struct rds_iovec __user *)(unsigned long) args->local_vec_addr;
+ if (args->nr_local == 0)
+ return -EINVAL;
+
/* figure out the number of pages in the vector */
for (i = 0; i < args->nr_local; i++) {
if (copy_from_user(&vec, &local_vec[i],
@@ -874,6 +877,7 @@ int rds_cmsg_atomic(struct rds_sock *rs, struct rds_message *rm,
err:
if (page)
put_page(page);
+ rm->atomic.op_active = 0;
kfree(rm->atomic.op_notifier);
return ret;
diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c
index e29a48ef7fc3..a0ac42b3ed06 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -159,7 +159,7 @@ static void tcf_gact_stats_update(struct tc_action *a, u64 bytes, u32 packets,
if (action == TC_ACT_SHOT)
this_cpu_ptr(gact->common.cpu_qstats)->drops += packets;
- tm->lastuse = lastuse;
+ tm->lastuse = max_t(u64, tm->lastuse, lastuse);
}
static int tcf_gact_dump(struct sk_buff *skb, struct tc_action *a,
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 8b3e59388480..08b61849c2a2 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -239,7 +239,7 @@ static void tcf_stats_update(struct tc_action *a, u64 bytes, u32 packets,
struct tcf_t *tm = &m->tcf_tm;
_bstats_cpu_update(this_cpu_ptr(a->cpu_bstats), bytes, packets);
- tm->lastuse = lastuse;
+ tm->lastuse = max_t(u64, tm->lastuse, lastuse);
}
static int tcf_mirred_dump(struct sk_buff *skb, struct tc_action *a, int bind,
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 621b5ca3fd1c..141c9c466ec1 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -399,20 +399,24 @@ void sctp_icmp_frag_needed(struct sock *sk, struct sctp_association *asoc,
return;
}
- if (t->param_flags & SPP_PMTUD_ENABLE) {
- /* Update transports view of the MTU */
- sctp_transport_update_pmtu(t, pmtu);
-
- /* Update association pmtu. */
- sctp_assoc_sync_pmtu(asoc);
- }
+ if (!(t->param_flags & SPP_PMTUD_ENABLE))
+ /* We can't allow retransmitting in such case, as the
+ * retransmission would be sized just as before, and thus we
+ * would get another icmp, and retransmit again.
+ */
+ return;
- /* Retransmit with the new pmtu setting.
- * Normally, if PMTU discovery is disabled, an ICMP Fragmentation
- * Needed will never be sent, but if a message was sent before
- * PMTU discovery was disabled that was larger than the PMTU, it
- * would not be fragmented, so it must be re-transmitted fragmented.
+ /* Update transports view of the MTU. Return if no update was needed.
+ * If an update wasn't needed/possible, it also doesn't make sense to
+ * try to retransmit now.
*/
+ if (!sctp_transport_update_pmtu(t, pmtu))
+ return;
+
+ /* Update association pmtu. */
+ sctp_assoc_sync_pmtu(asoc);
+
+ /* Retransmit with the new pmtu setting. */
sctp_retransmit(&asoc->outqueue, t, SCTP_RTXR_PMTUD);
}
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index b4fb6e4886d2..9b01e994f661 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2277,7 +2277,7 @@ static int sctp_setsockopt_events(struct sock *sk, char __user *optval,
if (asoc && sctp_outq_is_empty(&asoc->outqueue)) {
event = sctp_ulpevent_make_sender_dry_event(asoc,
- GFP_ATOMIC);
+ GFP_USER | __GFP_NOWARN);
if (!event)
return -ENOMEM;
@@ -3498,6 +3498,8 @@ static int sctp_setsockopt_hmac_ident(struct sock *sk,
if (optlen < sizeof(struct sctp_hmacalgo))
return -EINVAL;
+ optlen = min_t(unsigned int, optlen, sizeof(struct sctp_hmacalgo) +
+ SCTP_AUTH_NUM_HMACS * sizeof(u16));
hmacs = memdup_user(optval, optlen);
if (IS_ERR(hmacs))
@@ -3536,6 +3538,11 @@ static int sctp_setsockopt_auth_key(struct sock *sk,
if (optlen <= sizeof(struct sctp_authkey))
return -EINVAL;
+ /* authkey->sca_keylength is u16, so optlen can't be bigger than
+ * this.
+ */
+ optlen = min_t(unsigned int, optlen, USHRT_MAX +
+ sizeof(struct sctp_authkey));
authkey = memdup_user(optval, optlen);
if (IS_ERR(authkey))
@@ -3893,6 +3900,9 @@ static int sctp_setsockopt_reset_streams(struct sock *sk,
if (optlen < sizeof(*params))
return -EINVAL;
+ /* srs_number_streams is u16, so optlen can't be bigger than this. */
+ optlen = min_t(unsigned int, optlen, USHRT_MAX +
+ sizeof(__u16) * sizeof(*params));
params = memdup_user(optval, optlen);
if (IS_ERR(params))
@@ -5015,7 +5025,7 @@ static int sctp_getsockopt_autoclose(struct sock *sk, int len, char __user *optv
len = sizeof(int);
if (put_user(len, optlen))
return -EFAULT;
- if (copy_to_user(optval, &sctp_sk(sk)->autoclose, sizeof(int)))
+ if (copy_to_user(optval, &sctp_sk(sk)->autoclose, len))
return -EFAULT;
return 0;
}
@@ -5645,6 +5655,9 @@ copy_getaddrs:
err = -EFAULT;
goto out;
}
+ /* XXX: We should have accounted for sizeof(struct sctp_getaddrs) too,
+ * but we can't change it anymore.
+ */
if (put_user(bytes_copied, optlen))
err = -EFAULT;
out:
@@ -6081,7 +6094,7 @@ static int sctp_getsockopt_maxseg(struct sock *sk, int len,
params.assoc_id = 0;
} else if (len >= sizeof(struct sctp_assoc_value)) {
len = sizeof(struct sctp_assoc_value);
- if (copy_from_user(&params, optval, sizeof(params)))
+ if (copy_from_user(&params, optval, len))
return -EFAULT;
} else
return -EINVAL;
@@ -6251,7 +6264,9 @@ static int sctp_getsockopt_active_key(struct sock *sk, int len,
if (len < sizeof(struct sctp_authkeyid))
return -EINVAL;
- if (copy_from_user(&val, optval, sizeof(struct sctp_authkeyid)))
+
+ len = sizeof(struct sctp_authkeyid);
+ if (copy_from_user(&val, optval, len))
return -EFAULT;
asoc = sctp_id2assoc(sk, val.scact_assoc_id);
@@ -6263,7 +6278,6 @@ static int sctp_getsockopt_active_key(struct sock *sk, int len,
else
val.scact_keynumber = ep->active_key_id;
- len = sizeof(struct sctp_authkeyid);
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &val, len))
@@ -6289,7 +6303,7 @@ static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len,
if (len < sizeof(struct sctp_authchunks))
return -EINVAL;
- if (copy_from_user(&val, optval, sizeof(struct sctp_authchunks)))
+ if (copy_from_user(&val, optval, sizeof(val)))
return -EFAULT;
to = p->gauth_chunks;
@@ -6334,7 +6348,7 @@ static int sctp_getsockopt_local_auth_chunks(struct sock *sk, int len,
if (len < sizeof(struct sctp_authchunks))
return -EINVAL;
- if (copy_from_user(&val, optval, sizeof(struct sctp_authchunks)))
+ if (copy_from_user(&val, optval, sizeof(val)))
return -EFAULT;
to = p->gauth_chunks;
diff --git a/net/sctp/stream.c b/net/sctp/stream.c
index 76ea66be0bbe..524dfeb94c41 100644
--- a/net/sctp/stream.c
+++ b/net/sctp/stream.c
@@ -156,9 +156,9 @@ int sctp_stream_init(struct sctp_stream *stream, __u16 outcnt, __u16 incnt,
sctp_stream_outq_migrate(stream, NULL, outcnt);
sched->sched_all(stream);
- i = sctp_stream_alloc_out(stream, outcnt, gfp);
- if (i)
- return i;
+ ret = sctp_stream_alloc_out(stream, outcnt, gfp);
+ if (ret)
+ goto out;
stream->outcnt = outcnt;
for (i = 0; i < stream->outcnt; i++)
@@ -170,19 +170,17 @@ in:
if (!incnt)
goto out;
- i = sctp_stream_alloc_in(stream, incnt, gfp);
- if (i) {
- ret = -ENOMEM;
- goto free;
+ ret = sctp_stream_alloc_in(stream, incnt, gfp);
+ if (ret) {
+ sched->free(stream);
+ kfree(stream->out);
+ stream->out = NULL;
+ stream->outcnt = 0;
+ goto out;
}
stream->incnt = incnt;
- goto out;
-free:
- sched->free(stream);
- kfree(stream->out);
- stream->out = NULL;
out:
return ret;
}
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index 1e5a22430cf5..47f82bd794d9 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -248,28 +248,37 @@ void sctp_transport_pmtu(struct sctp_transport *transport, struct sock *sk)
transport->pathmtu = SCTP_DEFAULT_MAXSEGMENT;
}
-void sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu)
+bool sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu)
{
struct dst_entry *dst = sctp_transport_dst_check(t);
+ bool change = true;
if (unlikely(pmtu < SCTP_DEFAULT_MINSEGMENT)) {
- pr_warn("%s: Reported pmtu %d too low, using default minimum of %d\n",
- __func__, pmtu, SCTP_DEFAULT_MINSEGMENT);
- /* Use default minimum segment size and disable
- * pmtu discovery on this transport.
- */
- t->pathmtu = SCTP_DEFAULT_MINSEGMENT;
- } else {
- t->pathmtu = pmtu;
+ pr_warn_ratelimited("%s: Reported pmtu %d too low, using default minimum of %d\n",
+ __func__, pmtu, SCTP_DEFAULT_MINSEGMENT);
+ /* Use default minimum segment instead */
+ pmtu = SCTP_DEFAULT_MINSEGMENT;
}
+ pmtu = SCTP_TRUNC4(pmtu);
if (dst) {
dst->ops->update_pmtu(dst, t->asoc->base.sk, NULL, pmtu);
dst = sctp_transport_dst_check(t);
}
- if (!dst)
+ if (!dst) {
t->af_specific->get_dst(t, &t->saddr, &t->fl, t->asoc->base.sk);
+ dst = t->dst;
+ }
+
+ if (dst) {
+ /* Re-fetch, as under layers may have a higher minimum size */
+ pmtu = SCTP_TRUNC4(dst_mtu(dst));
+ change = t->pathmtu != pmtu;
+ }
+ t->pathmtu = pmtu;
+
+ return change;
}
/* Caches the dst entry and source address for a transport's destination
diff --git a/net/socket.c b/net/socket.c
index 05f361faec45..6f05d5c4bf30 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -436,8 +436,10 @@ static int sock_map_fd(struct socket *sock, int flags)
{
struct file *newfile;
int fd = get_unused_fd_flags(flags);
- if (unlikely(fd < 0))
+ if (unlikely(fd < 0)) {
+ sock_release(sock);
return fd;
+ }
newfile = sock_alloc_file(sock, flags, NULL);
if (likely(!IS_ERR(newfile))) {
@@ -2619,6 +2621,15 @@ out_fs:
core_initcall(sock_init); /* early initcall */
+static int __init jit_init(void)
+{
+#ifdef CONFIG_BPF_JIT_ALWAYS_ON
+ bpf_jit_enable = 1;
+#endif
+ return 0;
+}
+pure_initcall(jit_init);
+
#ifdef CONFIG_PROC_FS
void socket_seq_show(struct seq_file *seq)
{
diff --git a/net/tipc/group.c b/net/tipc/group.c
index 8e12ab55346b..5f4ffae807ee 100644
--- a/net/tipc/group.c
+++ b/net/tipc/group.c
@@ -109,7 +109,8 @@ static void tipc_group_proto_xmit(struct tipc_group *grp, struct tipc_member *m,
static void tipc_group_decr_active(struct tipc_group *grp,
struct tipc_member *m)
{
- if (m->state == MBR_ACTIVE || m->state == MBR_RECLAIMING)
+ if (m->state == MBR_ACTIVE || m->state == MBR_RECLAIMING ||
+ m->state == MBR_REMITTED)
grp->active_cnt--;
}
@@ -562,7 +563,7 @@ void tipc_group_update_rcv_win(struct tipc_group *grp, int blks, u32 node,
int max_active = grp->max_active;
int reclaim_limit = max_active * 3 / 4;
int active_cnt = grp->active_cnt;
- struct tipc_member *m, *rm;
+ struct tipc_member *m, *rm, *pm;
m = tipc_group_find_member(grp, node, port);
if (!m)
@@ -605,6 +606,17 @@ void tipc_group_update_rcv_win(struct tipc_group *grp, int blks, u32 node,
pr_warn_ratelimited("Rcv unexpected msg after REMIT\n");
tipc_group_proto_xmit(grp, m, GRP_ADV_MSG, xmitq);
}
+ grp->active_cnt--;
+ list_del_init(&m->list);
+ if (list_empty(&grp->pending))
+ return;
+
+ /* Set oldest pending member to active and advertise */
+ pm = list_first_entry(&grp->pending, struct tipc_member, list);
+ pm->state = MBR_ACTIVE;
+ list_move_tail(&pm->list, &grp->active);
+ grp->active_cnt++;
+ tipc_group_proto_xmit(grp, pm, GRP_ADV_MSG, xmitq);
break;
case MBR_RECLAIMING:
case MBR_DISCOVERED:
@@ -742,14 +754,14 @@ void tipc_group_proto_rcv(struct tipc_group *grp, bool *usr_wakeup,
if (!m || m->state != MBR_RECLAIMING)
return;
- list_del_init(&m->list);
- grp->active_cnt--;
remitted = msg_grp_remitted(hdr);
/* Messages preceding the REMIT still in receive queue */
if (m->advertised > remitted) {
m->state = MBR_REMITTED;
in_flight = m->advertised - remitted;
+ m->advertised = ADV_IDLE + in_flight;
+ return;
}
/* All messages preceding the REMIT have been read */
if (m->advertised <= remitted) {
@@ -761,6 +773,8 @@ void tipc_group_proto_rcv(struct tipc_group *grp, bool *usr_wakeup,
tipc_group_proto_xmit(grp, m, GRP_ADV_MSG, xmitq);
m->advertised = ADV_IDLE + in_flight;
+ grp->active_cnt--;
+ list_del_init(&m->list);
/* Set oldest pending member to active and advertise */
if (list_empty(&grp->pending))
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 213d0c498c97..2b3dbcd40e46 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -11361,7 +11361,8 @@ static int nl80211_nan_add_func(struct sk_buff *skb,
break;
case NL80211_NAN_FUNC_FOLLOW_UP:
if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] ||
- !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]) {
+ !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] ||
+ !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) {
err = -EINVAL;
goto out;
}
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index e49f448ee04f..c2db7e905f7d 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -455,7 +455,6 @@ static int snd_pcm_hw_param_near(struct snd_pcm_substream *pcm,
v = snd_pcm_hw_param_last(pcm, params, var, dir);
else
v = snd_pcm_hw_param_first(pcm, params, var, dir);
- snd_BUG_ON(v < 0);
return v;
}
@@ -1335,8 +1334,11 @@ static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const cha
if ((tmp = snd_pcm_oss_make_ready(substream)) < 0)
return tmp;
- mutex_lock(&runtime->oss.params_lock);
while (bytes > 0) {
+ if (mutex_lock_interruptible(&runtime->oss.params_lock)) {
+ tmp = -ERESTARTSYS;
+ break;
+ }
if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {
tmp = bytes;
if (tmp + runtime->oss.buffer_used > runtime->oss.period_bytes)
@@ -1380,14 +1382,18 @@ static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const cha
xfer += tmp;
if ((substream->f_flags & O_NONBLOCK) != 0 &&
tmp != runtime->oss.period_bytes)
- break;
+ tmp = -EAGAIN;
}
- }
- mutex_unlock(&runtime->oss.params_lock);
- return xfer;
-
err:
- mutex_unlock(&runtime->oss.params_lock);
+ mutex_unlock(&runtime->oss.params_lock);
+ if (tmp < 0)
+ break;
+ if (signal_pending(current)) {
+ tmp = -ERESTARTSYS;
+ break;
+ }
+ tmp = 0;
+ }
return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
}
@@ -1435,8 +1441,11 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use
if ((tmp = snd_pcm_oss_make_ready(substream)) < 0)
return tmp;
- mutex_lock(&runtime->oss.params_lock);
while (bytes > 0) {
+ if (mutex_lock_interruptible(&runtime->oss.params_lock)) {
+ tmp = -ERESTARTSYS;
+ break;
+ }
if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {
if (runtime->oss.buffer_used == 0) {
tmp = snd_pcm_oss_read2(substream, runtime->oss.buffer, runtime->oss.period_bytes, 1);
@@ -1467,12 +1476,16 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use
bytes -= tmp;
xfer += tmp;
}
- }
- mutex_unlock(&runtime->oss.params_lock);
- return xfer;
-
err:
- mutex_unlock(&runtime->oss.params_lock);
+ mutex_unlock(&runtime->oss.params_lock);
+ if (tmp < 0)
+ break;
+ if (signal_pending(current)) {
+ tmp = -ERESTARTSYS;
+ break;
+ }
+ tmp = 0;
+ }
return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
}
diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c
index cadc93792868..85a56af104bd 100644
--- a/sound/core/oss/pcm_plugin.c
+++ b/sound/core/oss/pcm_plugin.c
@@ -592,18 +592,26 @@ snd_pcm_sframes_t snd_pcm_plug_write_transfer(struct snd_pcm_substream *plug, st
snd_pcm_sframes_t frames = size;
plugin = snd_pcm_plug_first(plug);
- while (plugin && frames > 0) {
+ while (plugin) {
+ if (frames <= 0)
+ return frames;
if ((next = plugin->next) != NULL) {
snd_pcm_sframes_t frames1 = frames;
- if (plugin->dst_frames)
+ if (plugin->dst_frames) {
frames1 = plugin->dst_frames(plugin, frames);
+ if (frames1 <= 0)
+ return frames1;
+ }
if ((err = next->client_channels(next, frames1, &dst_channels)) < 0) {
return err;
}
if (err != frames1) {
frames = err;
- if (plugin->src_frames)
+ if (plugin->src_frames) {
frames = plugin->src_frames(plugin, frames1);
+ if (frames <= 0)
+ return frames;
+ }
}
} else
dst_channels = NULL;
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index 10e7ef7a8804..db7894bb028c 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -1632,7 +1632,7 @@ int snd_pcm_hw_param_first(struct snd_pcm_substream *pcm,
return changed;
if (params->rmask) {
int err = snd_pcm_hw_refine(pcm, params);
- if (snd_BUG_ON(err < 0))
+ if (err < 0)
return err;
}
return snd_pcm_hw_param_value(params, var, dir);
@@ -1678,7 +1678,7 @@ int snd_pcm_hw_param_last(struct snd_pcm_substream *pcm,
return changed;
if (params->rmask) {
int err = snd_pcm_hw_refine(pcm, params);
- if (snd_BUG_ON(err < 0))
+ if (err < 0)
return err;
}
return snd_pcm_hw_param_value(params, var, dir);
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index a4d92e46c459..f08772568c17 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -2580,7 +2580,7 @@ static snd_pcm_sframes_t forward_appl_ptr(struct snd_pcm_substream *substream,
return ret < 0 ? ret : frames;
}
-/* decrease the appl_ptr; returns the processed frames or a negative error */
+/* decrease the appl_ptr; returns the processed frames or zero for error */
static snd_pcm_sframes_t rewind_appl_ptr(struct snd_pcm_substream *substream,
snd_pcm_uframes_t frames,
snd_pcm_sframes_t avail)
@@ -2597,7 +2597,12 @@ static snd_pcm_sframes_t rewind_appl_ptr(struct snd_pcm_substream *substream,
if (appl_ptr < 0)
appl_ptr += runtime->boundary;
ret = pcm_lib_apply_appl_ptr(substream, appl_ptr);
- return ret < 0 ? ret : frames;
+ /* NOTE: we return zero for errors because PulseAudio gets depressed
+ * upon receiving an error from rewind ioctl and stops processing
+ * any longer. Returning zero means that no rewind is done, so
+ * it's not absolutely wrong to answer like that.
+ */
+ return ret < 0 ? 0 : frames;
}
static snd_pcm_sframes_t snd_pcm_playback_rewind(struct snd_pcm_substream *substream,
diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c
index afac886ffa28..0333143a1fa7 100644
--- a/sound/drivers/aloop.c
+++ b/sound/drivers/aloop.c
@@ -39,6 +39,7 @@
#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
+#include <sound/pcm_params.h>
#include <sound/info.h>
#include <sound/initval.h>
@@ -305,19 +306,6 @@ static int loopback_trigger(struct snd_pcm_substream *substream, int cmd)
return 0;
}
-static void params_change_substream(struct loopback_pcm *dpcm,
- struct snd_pcm_runtime *runtime)
-{
- struct snd_pcm_runtime *dst_runtime;
-
- if (dpcm == NULL || dpcm->substream == NULL)
- return;
- dst_runtime = dpcm->substream->runtime;
- if (dst_runtime == NULL)
- return;
- dst_runtime->hw = dpcm->cable->hw;
-}
-
static void params_change(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
@@ -329,10 +317,6 @@ static void params_change(struct snd_pcm_substream *substream)
cable->hw.rate_max = runtime->rate;
cable->hw.channels_min = runtime->channels;
cable->hw.channels_max = runtime->channels;
- params_change_substream(cable->streams[SNDRV_PCM_STREAM_PLAYBACK],
- runtime);
- params_change_substream(cable->streams[SNDRV_PCM_STREAM_CAPTURE],
- runtime);
}
static int loopback_prepare(struct snd_pcm_substream *substream)
@@ -620,26 +604,29 @@ static unsigned int get_cable_index(struct snd_pcm_substream *substream)
static int rule_format(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
+ struct loopback_pcm *dpcm = rule->private;
+ struct loopback_cable *cable = dpcm->cable;
+ struct snd_mask m;
- struct snd_pcm_hardware *hw = rule->private;
- struct snd_mask *maskp = hw_param_mask(params, rule->var);
-
- maskp->bits[0] &= (u_int32_t)hw->formats;
- maskp->bits[1] &= (u_int32_t)(hw->formats >> 32);
- memset(maskp->bits + 2, 0, (SNDRV_MASK_MAX-64) / 8); /* clear rest */
- if (! maskp->bits[0] && ! maskp->bits[1])
- return -EINVAL;
- return 0;
+ snd_mask_none(&m);
+ mutex_lock(&dpcm->loopback->cable_lock);
+ m.bits[0] = (u_int32_t)cable->hw.formats;
+ m.bits[1] = (u_int32_t)(cable->hw.formats >> 32);
+ mutex_unlock(&dpcm->loopback->cable_lock);
+ return snd_mask_refine(hw_param_mask(params, rule->var), &m);
}
static int rule_rate(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
- struct snd_pcm_hardware *hw = rule->private;
+ struct loopback_pcm *dpcm = rule->private;
+ struct loopback_cable *cable = dpcm->cable;
struct snd_interval t;
- t.min = hw->rate_min;
- t.max = hw->rate_max;
+ mutex_lock(&dpcm->loopback->cable_lock);
+ t.min = cable->hw.rate_min;
+ t.max = cable->hw.rate_max;
+ mutex_unlock(&dpcm->loopback->cable_lock);
t.openmin = t.openmax = 0;
t.integer = 0;
return snd_interval_refine(hw_param_interval(params, rule->var), &t);
@@ -648,22 +635,44 @@ static int rule_rate(struct snd_pcm_hw_params *params,
static int rule_channels(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
- struct snd_pcm_hardware *hw = rule->private;
+ struct loopback_pcm *dpcm = rule->private;
+ struct loopback_cable *cable = dpcm->cable;
struct snd_interval t;
- t.min = hw->channels_min;
- t.max = hw->channels_max;
+ mutex_lock(&dpcm->loopback->cable_lock);
+ t.min = cable->hw.channels_min;
+ t.max = cable->hw.channels_max;
+ mutex_unlock(&dpcm->loopback->cable_lock);
t.openmin = t.openmax = 0;
t.integer = 0;
return snd_interval_refine(hw_param_interval(params, rule->var), &t);
}
+static void free_cable(struct snd_pcm_substream *substream)
+{
+ struct loopback *loopback = substream->private_data;
+ int dev = get_cable_index(substream);
+ struct loopback_cable *cable;
+
+ cable = loopback->cables[substream->number][dev];
+ if (!cable)
+ return;
+ if (cable->streams[!substream->stream]) {
+ /* other stream is still alive */
+ cable->streams[substream->stream] = NULL;
+ } else {
+ /* free the cable */
+ loopback->cables[substream->number][dev] = NULL;
+ kfree(cable);
+ }
+}
+
static int loopback_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct loopback *loopback = substream->private_data;
struct loopback_pcm *dpcm;
- struct loopback_cable *cable;
+ struct loopback_cable *cable = NULL;
int err = 0;
int dev = get_cable_index(substream);
@@ -681,7 +690,6 @@ static int loopback_open(struct snd_pcm_substream *substream)
if (!cable) {
cable = kzalloc(sizeof(*cable), GFP_KERNEL);
if (!cable) {
- kfree(dpcm);
err = -ENOMEM;
goto unlock;
}
@@ -699,19 +707,19 @@ static int loopback_open(struct snd_pcm_substream *substream)
/* are cached -> they do not reflect the actual state */
err = snd_pcm_hw_rule_add(runtime, 0,
SNDRV_PCM_HW_PARAM_FORMAT,
- rule_format, &runtime->hw,
+ rule_format, dpcm,
SNDRV_PCM_HW_PARAM_FORMAT, -1);
if (err < 0)
goto unlock;
err = snd_pcm_hw_rule_add(runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
- rule_rate, &runtime->hw,
+ rule_rate, dpcm,
SNDRV_PCM_HW_PARAM_RATE, -1);
if (err < 0)
goto unlock;
err = snd_pcm_hw_rule_add(runtime, 0,
SNDRV_PCM_HW_PARAM_CHANNELS,
- rule_channels, &runtime->hw,
+ rule_channels, dpcm,
SNDRV_PCM_HW_PARAM_CHANNELS, -1);
if (err < 0)
goto unlock;
@@ -723,6 +731,10 @@ static int loopback_open(struct snd_pcm_substream *substream)
else
runtime->hw = cable->hw;
unlock:
+ if (err < 0) {
+ free_cable(substream);
+ kfree(dpcm);
+ }
mutex_unlock(&loopback->cable_lock);
return err;
}
@@ -731,20 +743,10 @@ static int loopback_close(struct snd_pcm_substream *substream)
{
struct loopback *loopback = substream->private_data;
struct loopback_pcm *dpcm = substream->runtime->private_data;
- struct loopback_cable *cable;
- int dev = get_cable_index(substream);
loopback_timer_stop(dpcm);
mutex_lock(&loopback->cable_lock);
- cable = loopback->cables[substream->number][dev];
- if (cable->streams[!substream->stream]) {
- /* other stream is still alive */
- cable->streams[substream->stream] = NULL;
- } else {
- /* free the cable */
- loopback->cables[substream->number][dev] = NULL;
- kfree(cable);
- }
+ free_cable(substream);
mutex_unlock(&loopback->cable_lock);
return 0;
}
diff --git a/tools/testing/selftests/bpf/test_align.c b/tools/testing/selftests/bpf/test_align.c
index 8591c89c0828..471bbbdb94db 100644
--- a/tools/testing/selftests/bpf/test_align.c
+++ b/tools/testing/selftests/bpf/test_align.c
@@ -474,27 +474,7 @@ static struct bpf_align_test tests[] = {
.result = REJECT,
.matches = {
{4, "R5=pkt(id=0,off=0,r=0,imm=0)"},
- /* ptr & 0x40 == either 0 or 0x40 */
- {5, "R5=inv(id=0,umax_value=64,var_off=(0x0; 0x40))"},
- /* ptr << 2 == unknown, (4n) */
- {7, "R5=inv(id=0,smax_value=9223372036854775804,umax_value=18446744073709551612,var_off=(0x0; 0xfffffffffffffffc))"},
- /* (4n) + 14 == (4n+2). We blow our bounds, because
- * the add could overflow.
- */
- {8, "R5=inv(id=0,var_off=(0x2; 0xfffffffffffffffc))"},
- /* Checked s>=0 */
- {10, "R5=inv(id=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc))"},
- /* packet pointer + nonnegative (4n+2) */
- {12, "R6=pkt(id=1,off=0,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc))"},
- {14, "R4=pkt(id=1,off=4,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc))"},
- /* NET_IP_ALIGN + (4n+2) == (4n), alignment is fine.
- * We checked the bounds, but it might have been able
- * to overflow if the packet pointer started in the
- * upper half of the address space.
- * So we did not get a 'range' on R6, and the access
- * attempt will fail.
- */
- {16, "R6=pkt(id=1,off=0,r=0,umin_value=2,umax_value=9223372036854775806,var_off=(0x2; 0x7ffffffffffffffc))"},
+ /* R5 bitwise operator &= on pointer prohibited */
}
},
{