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authorLinus Torvalds <torvalds@linux-foundation.org>2017-11-17 16:56:17 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-11-17 16:56:17 -0800
commitfa7f578076a8814caa5371e9f4949e408140766d (patch)
tree8021be6f956e8a259523c394a01183797ce04422 /drivers
parent2dcd9c71c1ffa9a036e09047f60e08383bb0abb6 (diff)
parentd1b069f5febc850556cf49e9bb9092d3179c5be5 (diff)
downloadlinux-stericsson-fa7f578076a8814caa5371e9f4949e408140766d.tar.gz
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton: - a bit more MM - procfs updates - dynamic-debug fixes - lib/ updates - checkpatch - epoll - nilfs2 - signals - rapidio - PID management cleanup and optimization - kcov updates - sysvipc updates - quite a few misc things all over the place * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (94 commits) EXPERT Kconfig menu: fix broken EXPERT menu include/asm-generic/topology.h: remove unused parent_node() macro arch/tile/include/asm/topology.h: remove unused parent_node() macro arch/sparc/include/asm/topology_64.h: remove unused parent_node() macro arch/sh/include/asm/topology.h: remove unused parent_node() macro arch/ia64/include/asm/topology.h: remove unused parent_node() macro drivers/pcmcia/sa1111_badge4.c: avoid unused function warning mm: add infrastructure for get_user_pages_fast() benchmarking sysvipc: make get_maxid O(1) again sysvipc: properly name ipc_addid() limit parameter sysvipc: duplicate lock comments wrt ipc_addid() sysvipc: unteach ids->next_id for !CHECKPOINT_RESTORE initramfs: use time64_t timestamps drivers/watchdog: make use of devm_register_reboot_notifier() kernel/reboot.c: add devm_register_reboot_notifier() kcov: update documentation Makefile: support flag -fsanitizer-coverage=trace-cmp kcov: support comparison operands collection kcov: remove pointless current != NULL check kernel/panic.c: add TAINT_AUX ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/misc/lkdtm_bugs.c4
-rw-r--r--drivers/pcmcia/sa1111_badge4.c2
-rw-r--r--drivers/rapidio/devices/rio_mport_cdev.c5
-rw-r--r--drivers/rapidio/switches/idt_gen2.c2
-rw-r--r--drivers/rapidio/switches/idt_gen3.c2
-rw-r--r--drivers/rapidio/switches/idtcps.c2
-rw-r--r--drivers/rapidio/switches/tsi568.c2
-rw-r--r--drivers/rapidio/switches/tsi57x.c2
-rw-r--r--drivers/watchdog/watchdog_core.c35
-rw-r--r--drivers/watchdog/watchdog_dev.c32
10 files changed, 45 insertions, 43 deletions
diff --git a/drivers/misc/lkdtm_bugs.c b/drivers/misc/lkdtm_bugs.c
index b0f7af872bb5..7eebbdfbcacd 100644
--- a/drivers/misc/lkdtm_bugs.c
+++ b/drivers/misc/lkdtm_bugs.c
@@ -63,9 +63,11 @@ void lkdtm_BUG(void)
BUG();
}
+static int warn_counter;
+
void lkdtm_WARNING(void)
{
- WARN_ON(1);
+ WARN(1, "Warning message trigger count: %d\n", warn_counter++);
}
void lkdtm_EXCEPTION(void)
diff --git a/drivers/pcmcia/sa1111_badge4.c b/drivers/pcmcia/sa1111_badge4.c
index 2f490930430d..93a5c7423d80 100644
--- a/drivers/pcmcia/sa1111_badge4.c
+++ b/drivers/pcmcia/sa1111_badge4.c
@@ -144,6 +144,7 @@ int pcmcia_badge4_init(struct sa1111_dev *dev)
sa11xx_drv_pcmcia_add_one);
}
+#ifndef MODULE
static int __init pcmv_setup(char *s)
{
int v[4];
@@ -158,3 +159,4 @@ static int __init pcmv_setup(char *s)
}
__setup("pcmv=", pcmv_setup);
+#endif
diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c
index 665d9e94a7e1..ec4bc1515f0d 100644
--- a/drivers/rapidio/devices/rio_mport_cdev.c
+++ b/drivers/rapidio/devices/rio_mport_cdev.c
@@ -959,9 +959,10 @@ rio_dma_transfer(struct file *filp, u32 transfer_mode,
nents = dma_map_sg(chan->device->dev,
req->sgt.sgl, req->sgt.nents, dir);
- if (nents == -EFAULT) {
+ if (nents == 0) {
rmcd_error("Failed to map SG list");
- return -EFAULT;
+ ret = -EFAULT;
+ goto err_pg;
}
ret = do_dma_request(req, xfer, sync, nents);
diff --git a/drivers/rapidio/switches/idt_gen2.c b/drivers/rapidio/switches/idt_gen2.c
index e67b923b1ca6..4931ed790428 100644
--- a/drivers/rapidio/switches/idt_gen2.c
+++ b/drivers/rapidio/switches/idt_gen2.c
@@ -458,7 +458,7 @@ static void idtg2_remove(struct rio_dev *rdev)
idtg2_sysfs(rdev, false);
}
-static struct rio_device_id idtg2_id_table[] = {
+static const struct rio_device_id idtg2_id_table[] = {
{RIO_DEVICE(RIO_DID_IDTCPS1848, RIO_VID_IDT)},
{RIO_DEVICE(RIO_DID_IDTCPS1616, RIO_VID_IDT)},
{RIO_DEVICE(RIO_DID_IDTVPS1616, RIO_VID_IDT)},
diff --git a/drivers/rapidio/switches/idt_gen3.c b/drivers/rapidio/switches/idt_gen3.c
index c5923a547bed..85a3908294d9 100644
--- a/drivers/rapidio/switches/idt_gen3.c
+++ b/drivers/rapidio/switches/idt_gen3.c
@@ -348,7 +348,7 @@ static void idtg3_shutdown(struct rio_dev *rdev)
}
}
-static struct rio_device_id idtg3_id_table[] = {
+static const struct rio_device_id idtg3_id_table[] = {
{RIO_DEVICE(RIO_DID_IDTRXS1632, RIO_VID_IDT)},
{RIO_DEVICE(RIO_DID_IDTRXS2448, RIO_VID_IDT)},
{ 0, } /* terminate list */
diff --git a/drivers/rapidio/switches/idtcps.c b/drivers/rapidio/switches/idtcps.c
index 7fbb60d31796..4058ce2c76fa 100644
--- a/drivers/rapidio/switches/idtcps.c
+++ b/drivers/rapidio/switches/idtcps.c
@@ -168,7 +168,7 @@ static void idtcps_remove(struct rio_dev *rdev)
spin_unlock(&rdev->rswitch->lock);
}
-static struct rio_device_id idtcps_id_table[] = {
+static const struct rio_device_id idtcps_id_table[] = {
{RIO_DEVICE(RIO_DID_IDTCPS6Q, RIO_VID_IDT)},
{RIO_DEVICE(RIO_DID_IDTCPS8, RIO_VID_IDT)},
{RIO_DEVICE(RIO_DID_IDTCPS10Q, RIO_VID_IDT)},
diff --git a/drivers/rapidio/switches/tsi568.c b/drivers/rapidio/switches/tsi568.c
index 8a43561b9d17..1214628b7ded 100644
--- a/drivers/rapidio/switches/tsi568.c
+++ b/drivers/rapidio/switches/tsi568.c
@@ -169,7 +169,7 @@ static void tsi568_remove(struct rio_dev *rdev)
spin_unlock(&rdev->rswitch->lock);
}
-static struct rio_device_id tsi568_id_table[] = {
+static const struct rio_device_id tsi568_id_table[] = {
{RIO_DEVICE(RIO_DID_TSI568, RIO_VID_TUNDRA)},
{ 0, } /* terminate list */
};
diff --git a/drivers/rapidio/switches/tsi57x.c b/drivers/rapidio/switches/tsi57x.c
index 2700d15f7584..9f063e214836 100644
--- a/drivers/rapidio/switches/tsi57x.c
+++ b/drivers/rapidio/switches/tsi57x.c
@@ -336,7 +336,7 @@ static void tsi57x_remove(struct rio_dev *rdev)
spin_unlock(&rdev->rswitch->lock);
}
-static struct rio_device_id tsi57x_id_table[] = {
+static const struct rio_device_id tsi57x_id_table[] = {
{RIO_DEVICE(RIO_DID_TSI572, RIO_VID_TUNDRA)},
{RIO_DEVICE(RIO_DID_TSI574, RIO_VID_TUNDRA)},
{RIO_DEVICE(RIO_DID_TSI577, RIO_VID_TUNDRA)},
diff --git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c
index 74265b2f806c..8a8d952f8df9 100644
--- a/drivers/watchdog/watchdog_core.c
+++ b/drivers/watchdog/watchdog_core.c
@@ -137,25 +137,6 @@ int watchdog_init_timeout(struct watchdog_device *wdd,
}
EXPORT_SYMBOL_GPL(watchdog_init_timeout);
-static int watchdog_reboot_notifier(struct notifier_block *nb,
- unsigned long code, void *data)
-{
- struct watchdog_device *wdd = container_of(nb, struct watchdog_device,
- reboot_nb);
-
- if (code == SYS_DOWN || code == SYS_HALT) {
- if (watchdog_active(wdd)) {
- int ret;
-
- ret = wdd->ops->stop(wdd);
- if (ret)
- return NOTIFY_BAD;
- }
- }
-
- return NOTIFY_DONE;
-}
-
static int watchdog_restart_notifier(struct notifier_block *nb,
unsigned long action, void *data)
{
@@ -244,19 +225,6 @@ static int __watchdog_register_device(struct watchdog_device *wdd)
}
}
- if (test_bit(WDOG_STOP_ON_REBOOT, &wdd->status)) {
- wdd->reboot_nb.notifier_call = watchdog_reboot_notifier;
-
- ret = register_reboot_notifier(&wdd->reboot_nb);
- if (ret) {
- pr_err("watchdog%d: Cannot register reboot notifier (%d)\n",
- wdd->id, ret);
- watchdog_dev_unregister(wdd);
- ida_simple_remove(&watchdog_ida, wdd->id);
- return ret;
- }
- }
-
if (wdd->ops->restart) {
wdd->restart_nb.notifier_call = watchdog_restart_notifier;
@@ -302,9 +270,6 @@ static void __watchdog_unregister_device(struct watchdog_device *wdd)
if (wdd->ops->restart)
unregister_restart_handler(&wdd->restart_nb);
- if (test_bit(WDOG_STOP_ON_REBOOT, &wdd->status))
- unregister_reboot_notifier(&wdd->reboot_nb);
-
watchdog_dev_unregister(wdd);
ida_simple_remove(&watchdog_ida, wdd->id);
}
diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
index 0826e663bd5a..1e971a50d7fb 100644
--- a/drivers/watchdog/watchdog_dev.c
+++ b/drivers/watchdog/watchdog_dev.c
@@ -42,6 +42,7 @@
#include <linux/miscdevice.h> /* For handling misc devices */
#include <linux/module.h> /* For module stuff/... */
#include <linux/mutex.h> /* For mutexes */
+#include <linux/reboot.h> /* For reboot notifier */
#include <linux/slab.h> /* For memory functions */
#include <linux/types.h> /* For standard types (like size_t) */
#include <linux/watchdog.h> /* For watchdog specific items */
@@ -1016,6 +1017,25 @@ static struct class watchdog_class = {
.dev_groups = wdt_groups,
};
+static int watchdog_reboot_notifier(struct notifier_block *nb,
+ unsigned long code, void *data)
+{
+ struct watchdog_device *wdd;
+
+ wdd = container_of(nb, struct watchdog_device, reboot_nb);
+ if (code == SYS_DOWN || code == SYS_HALT) {
+ if (watchdog_active(wdd)) {
+ int ret;
+
+ ret = wdd->ops->stop(wdd);
+ if (ret)
+ return NOTIFY_BAD;
+ }
+ }
+
+ return NOTIFY_DONE;
+}
+
/*
* watchdog_dev_register: register a watchdog device
* @wdd: watchdog device
@@ -1049,6 +1069,18 @@ int watchdog_dev_register(struct watchdog_device *wdd)
if (ret) {
device_destroy(&watchdog_class, devno);
watchdog_cdev_unregister(wdd);
+ return ret;
+ }
+
+ if (test_bit(WDOG_STOP_ON_REBOOT, &wdd->status)) {
+ wdd->reboot_nb.notifier_call = watchdog_reboot_notifier;
+
+ ret = devm_register_reboot_notifier(dev, &wdd->reboot_nb);
+ if (ret) {
+ pr_err("watchdog%d: Cannot register reboot notifier (%d)\n",
+ wdd->id, ret);
+ watchdog_dev_unregister(wdd);
+ }
}
return ret;