From: manish.rangankar@cavium.com <manish.rangankar@cavium.com>
Date: Fri, 19 May 2017 08:33:21 +0000 (-0700)
Subject: scsi: qedi: Fix endpoint NULL panic during recovery.
X-Git-Tag: v4.12-rc4~6^2~1
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b19775e4785996503b106e59d9d3a8839e677afd;p=karo-tx-linux.git

scsi: qedi: Fix endpoint NULL panic during recovery.

Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c
index d6978cbc56f0..8bc7ee1a8ca8 100644
--- a/drivers/scsi/qedi/qedi_fw.c
+++ b/drivers/scsi/qedi/qedi_fw.c
@@ -1494,6 +1494,8 @@ static int qedi_send_iscsi_tmf(struct qedi_conn *qedi_conn,
 	tmf_hdr = (struct iscsi_tm *)mtask->hdr;
 	qedi_cmd = (struct qedi_cmd *)mtask->dd_data;
 	ep = qedi_conn->ep;
+	if (!ep)
+		return -ENODEV;
 
 	tid = qedi_get_task_idx(qedi);
 	if (tid == -1)