diff mbox

scsi: qedi: Fix return code in qedi_ep_connect()

Message ID 20170712073121.yznfz6g5cvlrsvze@mwanda (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Dan Carpenter July 12, 2017, 7:31 a.m. UTC 
We shouldn't be writing over the "ret" variable.  It means we return
ERR_PTR(0) which is NULL and it results in a NULL dereference in the
caller.

Fixes: ace7f46ba5fd ("scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework.")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff mbox

Patch

diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
index 80edd28b635f..37da9a8b43b1 100644
--- a/drivers/scsi/qedi/qedi_iscsi.c
+++ b/drivers/scsi/qedi/qedi_iscsi.c
@@ -824,7 +824,7 @@  qedi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
 	u32 iscsi_cid = QEDI_CID_RESERVED;
 	u16 len = 0;
 	char *buf = NULL;
-	int ret;
+	int ret, tmp;
 
 	if (!shost) {
 		ret = -ENXIO;
@@ -940,10 +940,10 @@  qedi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
 
 ep_rel_conn:
 	qedi->ep_tbl[iscsi_cid] = NULL;
-	ret = qedi_ops->release_conn(qedi->cdev, qedi_ep->handle);
-	if (ret)
+	tmp = qedi_ops->release_conn(qedi->cdev, qedi_ep->handle);
+	if (tmp)
 		QEDI_WARN(&qedi->dbg_ctx, "release_conn returned %d\n",
-			  ret);
+			  tmp);
 ep_free_sq:
 	qedi_free_sq(qedi, qedi_ep);
 ep_conn_exit: