lpfc: Fix crash in fcp command completion path.

[ Upstream commit c90261dcd86e4eb5c9c1627fde037e902db8aefa ]

Fix crash in fcp command completion path.

Missed null check.

Signed-off-by: Dick Kennedy <dick.kennedy@avagotech.com>
Signed-off-by: James Smart <james.smart@avagotech.com>
Reviewed-by: Hannes Reinicke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 9e165bc05ee1f980fb2be1d47fa09becf3a3e31b..bae36cc3740b69033be7a056e8e88ea456600510 100644 (file)
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -3908,9 +3908,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
        uint32_t logit = LOG_FCP;
 
        /* Sanity check on return of outstanding command */
-       if (!(lpfc_cmd->pCmd))
-               return;
        cmd = lpfc_cmd->pCmd;
+       if (!cmd)
+               return;
        shost = cmd->device->host;
 
        lpfc_cmd->result = (pIocbOut->iocb.un.ulpWord[4] & IOERR_PARAM_MASK);