qla2xxx: fix crash due to task mgmt cmd type
tcm_qla2xxx_get_task_tag incorrectly assume command is
qla_tgt_cmd. Add check to see if it's a scsi cmd or
task mgmt command.
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index 09d2931..9f95407 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -515,8 +515,13 @@
static u32 tcm_qla2xxx_get_task_tag(struct se_cmd *se_cmd)
{
- struct qla_tgt_cmd *cmd = container_of(se_cmd,
- struct qla_tgt_cmd, se_cmd);
+ struct qla_tgt_cmd *cmd;
+
+ /* check for task mgmt cmd */
+ if (se_cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)
+ return 0xffffffff;
+
+ cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd);
return cmd->tag;
}