From 58e060e11b0b18298208e5d0d1bd9bd98b4238a7 Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Thu, 8 Aug 2019 20:01:44 -0700 Subject: [PATCH] scsi: qla2xxx: Complain if a mailbox command times out 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 Signed-off-by: Bart Van Assche Tested-by: Himanshu Madhani Reviewed-by: Himanshu Madhani Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_mr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c index b6be7e7f2a43..9e3f2f462a2e 100644 --- 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 *vha, struct mbx_cmd_32 *mcp) 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); -- 2.45.2