[PATCH 4.9 09/63] scsi: bnx2fc: Fix NULL dereference in error handling

From: Greg Kroah-Hartman
Date: Fri Jan 11 2019 - 09:28:08 EST


4.9-stable review patch. If anyone has any objections, please let me know.

------------------

[ Upstream commit 9ae4f8420ed7be4b13c96600e3568c144d101a23 ]

If "interface" is NULL then we can't release it and trying to will only
lead to an Oops.

Fixes: aea71a024914 ("[SCSI] bnx2fc: Introduce interface structure for each vlan interface")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/scsi/bnx2fc/bnx2fc_fcoe.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index bee7d37367ca..68cc332bd6cb 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -2331,7 +2331,7 @@ static int _bnx2fc_create(struct net_device *netdev,
if (!interface) {
printk(KERN_ERR PFX "bnx2fc_interface_create failed\n");
rc = -ENOMEM;
- goto ifput_err;
+ goto netdev_err;
}

if (netdev->priv_flags & IFF_802_1Q_VLAN) {
--
2.19.1