From: Yonglong Liu <liuyonglong@huawei.com>
Date: Thu, 13 Jun 2019 09:12:28 +0000 (+0800)
Subject: net: hns3: free irq when exit from abnormal branch
X-Git-Tag: v5.3-rc1~140^2~243^2~4
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=d547ecdc1fc1eb5e9caf678d2f1c02cf3d77cbe7;p=linux.git

net: hns3: free irq when exit from abnormal branch

In hns3_nic_init_irq(), if request irq fail at index i,
the function return directly without releasing irq resources
that already requested, and nowhere else will release them.

Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 66d733b130b4..73de4b06ba4d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -143,6 +143,7 @@ static int hns3_nic_init_irq(struct hns3_nic_priv *priv)
 		if (ret) {
 			netdev_err(priv->netdev, "request irq(%d) fail\n",
 				   tqp_vectors->vector_irq);
+			hns3_nic_uninit_irq(priv);
 			return ret;
 		}