From: tangwenji <tang.wenji@xxxxxxxxxx>
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.
Signed-off-by: tangwenji <tang.wenji@xxxxxxxxxx>
---
drivers/target/target_core_tmr.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c
index e22847bd79b9..61909b23e959 100644
--- a/drivers/target/target_core_tmr.c
+++ b/drivers/target/target_core_tmr.c
@@ -217,7 +217,8 @@ static void core_tmr_drain_tmr_list(
* LUN_RESET tmr..
*/
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) {
cmd = tmr_p->task_cmd;
if (!cmd) {
--
2.13.2.windows.1
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