Patch "[PATCH 053/135] lpfc: Fix crash in fcp command completion path." has been added to the 4.4-stable tree

Patch "[PATCH 053/135] lpfc: Fix crash in fcp command completion path." has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    [PATCH 053/135] lpfc: Fix crash in fcp command completion path.

to the 4.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     0053-lpfc-Fix-crash-in-fcp-command-completion-path.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From defa518102495b4e0c2c96b55f021657c9cc6432 Mon Sep 17 00:00:00 2001
From: James Smart <james.smart@avagotech.com>
Date: Wed, 16 Dec 2015 18:11:57 -0500
Subject: [PATCH 053/135] 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>
---
 drivers/scsi/lpfc/lpfc_scsi.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- 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
 	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);


Patches currently in stable-queue which might be from james.smart@avagotech.com are

queue-4.4/0056-lpfc-Fix-mbox-reuse-in-PLOGI-completion.patch
queue-4.4/0052-lpfc-Fix-driver-crash-when-module-parameter-lpfc_fcp.patch
queue-4.4/0121-lpfc-Fix-DMA-faults-observed-upon-plugging-loopback-.patch
queue-4.4/0049-lpfc-Fix-FCF-Infinite-loop-in-lpfc_sli4_fcf_rr_next_.patch
queue-4.4/0055-lpfc-Fix-RDP-ACC-being-too-long.patch
queue-4.4/0051-lpfc-Fix-RegLogin-failed-error-seen-on-Lancer-FC-dur.patch
queue-4.4/0054-lpfc-Fix-RDP-Speed-reporting.patch
queue-4.4/0057-lpfc-Fix-external-loopback-failure.patch
queue-4.4/0053-lpfc-Fix-crash-in-fcp-command-completion-path.patch
queue-4.4/0050-lpfc-Fix-the-FLOGI-discovery-logic-to-comply-with-T1.patch