[PATCH] staging: qlge : fix missing error codes

[Jay Fang]

From: Zihao Tang <tangzih...@hisilicon.com>

Fixes one smatch warnings:

drivers/staging/qlge/qlge_main.c:4564 qlge_probe() warn: missing error code 
'err'

Reported-by: kernel test robot <l...@intel.com>
Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
Signed-off-by: Zihao Tang <tangzih...@hisilicon.com>
Signed-off-by: Jay Fang <f.fangj...@huawei.com>
---
 drivers/staging/qlge/qlge_main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
index 5516be3..44b7724 100644
--- a/drivers/staging/qlge/qlge_main.c
+++ b/drivers/staging/qlge/qlge_main.c
@@ -4561,8 +4561,10 @@ static int qlge_probe(struct pci_dev *pdev,
        ndev = alloc_etherdev_mq(sizeof(struct qlge_netdev_priv),
                                 min(MAX_CPUS,
                                     netif_get_num_default_rss_queues()));
-       if (!ndev)
+       if (!ndev) {
+               err = -ENOMEM;
                goto devlink_free;
+       }
 
        ndev_priv = netdev_priv(ndev);
        ndev_priv->qdev = qdev;
-- 
2.7.4