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scsi: qla2xxx: Complain if a mailbox command times out

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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>
This commit is contained in:
Bart Van Assche 2019-08-08 20:01:44 -07:00 committed by Martin K. Petersen
parent cc74049f35
commit 58e060e11b
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/qla2xxx/qla_mr.c
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@ -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);