[PATCH 4.15 124/146] scsi: qla2xxx: Fix system crash for Notify ack timeout handling

[Greg Kroah-Hartman]

4.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Quinn Tran <quinn.tran@xxxxxxxxxx>

commit 2e01d0ba868ec1d4d55ddcba519339e072b0bf4d upstream.

Fix NULL pointer crash due to missing timeout handling callback for
Notify Ack IOCB.

Fixes: 726b85487067d ("qla2xxx: Add framework for async fabric discovery")
Cc: <stable@xxxxxxxxxxxxxxx> # 4.10+
Signed-off-by: Quinn Tran <quinn.tran@xxxxxxxxxx>
Signed-off-by: Himanshu Madhani <himanshu.madhani@xxxxxxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/scsi/qla2xxx/qla_target.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -665,7 +665,7 @@ int qla24xx_async_notify_ack(scsi_qla_ho
 	qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);
 
 	sp->u.iocb_cmd.u.nack.ntfy = ntfy;
-
+	sp->u.iocb_cmd.timeout = qla2x00_async_iocb_timeout;
 	sp->done = qla2x00_async_nack_sp_done;
 
 	rval = qla2x00_start_sp(sp);