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authorLinus Torvalds <torvalds@linux-foundation.org>2014-02-15 16:18:47 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-02-15 16:18:47 -0800
commit946dd683afb611721cce2cc7e76a19e74f58e067 (patch)
treef27e415c00548c56c2d6f35013e43b1df5576018 /drivers
parent2d0ef4fb34b0462d84a2d87292144b9dad79c8d0 (diff)
parentd6a65fdc8903e632aa7bf86ee0f61a73969371f6 (diff)
downloadlinux-stericsson-946dd683afb611721cce2cc7e76a19e74f58e067.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target fixes from Nicholas Bellinger: "Mostly minor fixes this time to v3.14-rc1 related changes. Also included is one fix for a free after use regression in persistent reservations UNREGISTER logic that is CC'ed to >= v3.11.y stable" * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: Target/sbc: Fix protection copy routine IB/srpt: replace strict_strtoul() with kstrtoul() target: Simplify command completion by removing CMD_T_FAILED flag iser-target: Fix leak on failure in isert_conn_create_fastreg_pool iscsi-target: Fix SNACK Type 1 + BegRun=0 handling target: Fix missing length check in spc_emulate_evpd_83() qla2xxx: Remove last vestiges of qla_tgt_cmd.cmd_list target: Fix 32-bit + CONFIG_LBDAF=n link error w/ sector_div target: Fix free-after-use regression in PR unregister
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c1
-rw-r--r--drivers/infiniband/ulp/srpt/ib_srpt.c14
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_target.h1
-rw-r--r--drivers/target/iscsi/iscsi_target_erl1.c4
-rw-r--r--drivers/target/target_core_alua.c2
-rw-r--r--drivers/target/target_core_pr.c11
-rw-r--r--drivers/target/target_core_sbc.c8
-rw-r--r--drivers/target/target_core_spc.c4
-rw-r--r--drivers/target/target_core_transport.c5
10 files changed, 30 insertions, 22 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 2b161be3c1a3..d18d08a076e8 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -453,6 +453,7 @@ isert_conn_create_fastreg_pool(struct isert_conn *isert_conn)
if (ret) {
pr_err("Failed to create fastreg descriptor err=%d\n",
ret);
+ kfree(fr_desc);
goto err;
}
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 520a7e5a490b..0e537d8d0e47 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -3666,9 +3666,9 @@ static ssize_t srpt_tpg_attrib_store_srp_max_rdma_size(
unsigned long val;
int ret;
- ret = strict_strtoul(page, 0, &val);
+ ret = kstrtoul(page, 0, &val);
if (ret < 0) {
- pr_err("strict_strtoul() failed with ret: %d\n", ret);
+ pr_err("kstrtoul() failed with ret: %d\n", ret);
return -EINVAL;
}
if (val > MAX_SRPT_RDMA_SIZE) {
@@ -3706,9 +3706,9 @@ static ssize_t srpt_tpg_attrib_store_srp_max_rsp_size(
unsigned long val;
int ret;
- ret = strict_strtoul(page, 0, &val);
+ ret = kstrtoul(page, 0, &val);
if (ret < 0) {
- pr_err("strict_strtoul() failed with ret: %d\n", ret);
+ pr_err("kstrtoul() failed with ret: %d\n", ret);
return -EINVAL;
}
if (val > MAX_SRPT_RSP_SIZE) {
@@ -3746,9 +3746,9 @@ static ssize_t srpt_tpg_attrib_store_srp_sq_size(
unsigned long val;
int ret;
- ret = strict_strtoul(page, 0, &val);
+ ret = kstrtoul(page, 0, &val);
if (ret < 0) {
- pr_err("strict_strtoul() failed with ret: %d\n", ret);
+ pr_err("kstrtoul() failed with ret: %d\n", ret);
return -EINVAL;
}
if (val > MAX_SRPT_SRQ_SIZE) {
@@ -3793,7 +3793,7 @@ static ssize_t srpt_tpg_store_enable(
unsigned long tmp;
int ret;
- ret = strict_strtoul(page, 0, &tmp);
+ ret = kstrtoul(page, 0, &tmp);
if (ret < 0) {
printk(KERN_ERR "Unable to extract srpt_tpg_store_enable\n");
return -EINVAL;
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 9e80d61e5a3a..2eb97d7e8d12 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -2595,8 +2595,6 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha,
return -ENOMEM;
}
- INIT_LIST_HEAD(&cmd->cmd_list);
-
memcpy(&cmd->atio, atio, sizeof(*atio));
cmd->state = QLA_TGT_STATE_NEW;
cmd->tgt = vha->vha_tgt.qla_tgt;
diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h
index 1d10eecad499..66e755cdde57 100644
--- a/drivers/scsi/qla2xxx/qla_target.h
+++ b/drivers/scsi/qla2xxx/qla_target.h
@@ -855,7 +855,6 @@ struct qla_tgt_cmd {
uint16_t loop_id; /* to save extra sess dereferences */
struct qla_tgt *tgt; /* to save extra sess dereferences */
struct scsi_qla_host *vha;
- struct list_head cmd_list;
struct atio_from_isp atio;
};
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index e048d6439f4a..cda4d80cfaef 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -507,7 +507,9 @@ int iscsit_handle_status_snack(
u32 last_statsn;
int found_cmd;
- if (conn->exp_statsn > begrun) {
+ if (!begrun) {
+ begrun = conn->exp_statsn;
+ } else if (conn->exp_statsn > begrun) {
pr_err("Got Status SNACK Begrun: 0x%08x, RunLength:"
" 0x%08x but already got ExpStatSN: 0x%08x on CID:"
" %hu.\n", begrun, runlength, conn->exp_statsn,
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 12da9b386169..c3d9df6aaf5f 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -500,7 +500,7 @@ static inline int core_alua_state_lba_dependent(
if (segment_mult) {
u64 tmp = lba;
- start_lba = sector_div(tmp, segment_size * segment_mult);
+ start_lba = do_div(tmp, segment_size * segment_mult);
last_lba = first_lba + segment_size - 1;
if (start_lba >= first_lba &&
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 2f5d77932c80..3013287a2aaa 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -2009,7 +2009,7 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
struct t10_reservation *pr_tmpl = &dev->t10_pr;
unsigned char isid_buf[PR_REG_ISID_LEN], *isid_ptr = NULL;
sense_reason_t ret = TCM_NO_SENSE;
- int pr_holder = 0;
+ int pr_holder = 0, type;
if (!se_sess || !se_lun) {
pr_err("SPC-3 PR: se_sess || struct se_lun is NULL!\n");
@@ -2131,6 +2131,7 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
ret = TCM_RESERVATION_CONFLICT;
goto out;
}
+ type = pr_reg->pr_res_type;
spin_lock(&pr_tmpl->registration_lock);
/*
@@ -2161,6 +2162,7 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
* Release the calling I_T Nexus registration now..
*/
__core_scsi3_free_registration(cmd->se_dev, pr_reg, NULL, 1);
+ pr_reg = NULL;
/*
* From spc4r17, section 5.7.11.3 Unregistering
@@ -2174,8 +2176,8 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
* RESERVATIONS RELEASED.
*/
if (pr_holder &&
- (pr_reg->pr_res_type == PR_TYPE_WRITE_EXCLUSIVE_REGONLY ||
- pr_reg->pr_res_type == PR_TYPE_EXCLUSIVE_ACCESS_REGONLY)) {
+ (type == PR_TYPE_WRITE_EXCLUSIVE_REGONLY ||
+ type == PR_TYPE_EXCLUSIVE_ACCESS_REGONLY)) {
list_for_each_entry(pr_reg_p,
&pr_tmpl->registration_list,
pr_reg_list) {
@@ -2194,7 +2196,8 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
ret = core_scsi3_update_and_write_aptpl(dev, aptpl);
out:
- core_scsi3_put_pr_reg(pr_reg);
+ if (pr_reg)
+ core_scsi3_put_pr_reg(pr_reg);
return ret;
}
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index fa3cae393e13..a4489444ffbc 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -1074,12 +1074,19 @@ sbc_dif_copy_prot(struct se_cmd *cmd, unsigned int sectors, bool read,
struct scatterlist *psg;
void *paddr, *addr;
unsigned int i, len, left;
+ unsigned int offset = 0;
left = sectors * dev->prot_length;
for_each_sg(cmd->t_prot_sg, psg, cmd->t_prot_nents, i) {
len = min(psg->length, left);
+ if (offset >= sg->length) {
+ sg = sg_next(sg);
+ offset = 0;
+ sg_off = sg->offset;
+ }
+
paddr = kmap_atomic(sg_page(psg)) + psg->offset;
addr = kmap_atomic(sg_page(sg)) + sg_off;
@@ -1089,6 +1096,7 @@ sbc_dif_copy_prot(struct se_cmd *cmd, unsigned int sectors, bool read,
memcpy(addr, paddr, len);
left -= len;
+ offset += len;
kunmap_atomic(paddr);
kunmap_atomic(addr);
}
diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index 43c5ca9878bc..3bebc71ea033 100644
--- a/drivers/target/target_core_spc.c
+++ b/drivers/target/target_core_spc.c
@@ -440,8 +440,8 @@ check_scsi_name:
padding = ((-scsi_target_len) & 3);
if (padding)
scsi_target_len += padding;
- if (scsi_name_len > 256)
- scsi_name_len = 256;
+ if (scsi_target_len > 256)
+ scsi_target_len = 256;
buf[off-1] = scsi_target_len;
off += scsi_target_len;
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index c50fd9f11aab..24b4f65d8777 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -669,9 +669,6 @@ void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status)
return;
}
- if (!success)
- cmd->transport_state |= CMD_T_FAILED;
-
/*
* Check for case where an explicit ABORT_TASK has been received
* and transport_wait_for_tasks() will be waiting for completion..
@@ -681,7 +678,7 @@ void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status)
spin_unlock_irqrestore(&cmd->t_state_lock, flags);
complete(&cmd->t_transport_stop_comp);
return;
- } else if (cmd->transport_state & CMD_T_FAILED) {
+ } else if (!success) {
INIT_WORK(&cmd->work, target_complete_failure_work);
} else {
INIT_WORK(&cmd->work, target_complete_ok_work);