From: Bart Van Assche <bvanassche@acm.org>
Date: Thu, 8 Aug 2019 20:01:44 -0700
Subject: scsi: qla2xxx: Complain if a mailbox command times out
Patch-mainline: v5.4-rc1
Git-commit: 58e060e11b0b18298208e5d0d1bd9bd98b4238a7
References: bsc#1123034 bsc#1131304 bsc#1127988 bsc#1143706
This patch fixes the following Coverity complaint:
Unchecked return value (CHECKED_RETURN)
check_return: Calling wait_for_completion_timeout without checking return
value (as is done elsewhere 14 out of 17 times).
Cc: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Daniel Wagner <dwagner@suse.de>
---
drivers/scsi/qla2xxx/qla_mr.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/scsi/qla2xxx/qla_mr.c
+++ b/drivers/scsi/qla2xxx/qla_mr.c
@@ -148,7 +148,8 @@ qlafx00_mailbox_command(scsi_qla_host_t
QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
- wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
+ WARN_ON_ONCE(wait_for_completion_timeout(&ha->mbx_intr_comp,
+ mcp->tov * HZ) != 0);
} else {
ql_dbg(ql_dbg_mbx, vha, 0x112c,
"Cmd=%x Polling Mode.\n", command);