mirror of
https://github.com/torvalds/linux
synced 2024-10-22 03:09:41 +00:00
target: fix null pointer regression in core_tmr_drain_tmr_list
The target system kernel crash when the initiator executes
the sg_persist -A command,because of the second argument to
be set to NULL when core_tmr_lun_reset is called in
core_scsi3_pro_preempt function.
This fixes a regression originally introduced by:
commit 51ec502a32
Author: Bart Van Assche <bart.vanassche@sandisk.com>
Date: Tue Feb 14 16:25:54 2017 -0800
target: Delete tmr from list before processing
Signed-off-by: tangwenji <tang.wenji@zte.com.cn>
Cc: stable@vger.kernel.org # 4.11+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
parent
594e25e734
commit
88fb2fa7db
|
@ -217,7 +217,8 @@ static void core_tmr_drain_tmr_list(
|
||||||
* LUN_RESET tmr..
|
* LUN_RESET tmr..
|
||||||
*/
|
*/
|
||||||
spin_lock_irqsave(&dev->se_tmr_lock, flags);
|
spin_lock_irqsave(&dev->se_tmr_lock, flags);
|
||||||
list_del_init(&tmr->tmr_list);
|
if (tmr)
|
||||||
|
list_del_init(&tmr->tmr_list);
|
||||||
list_for_each_entry_safe(tmr_p, tmr_pp, &dev->dev_tmr_list, tmr_list) {
|
list_for_each_entry_safe(tmr_p, tmr_pp, &dev->dev_tmr_list, tmr_list) {
|
||||||
cmd = tmr_p->task_cmd;
|
cmd = tmr_p->task_cmd;
|
||||||
if (!cmd) {
|
if (!cmd) {
|
||||||
|
|
Loading…
Reference in a new issue