net: hns3: double free 'skb'
The false branch of (tx_ret == NETDEV_TX_OK) free the skb. However, the
kfree_skb(skb) in the out label will be execute when exits the function.
So the skb has a double-free bugs.
Remove the kfree_skb(skb) at line 269
Signed-off-by: Wenjia Zhao <driverfuzz...@gmail.com>
---
drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index 2622e04..1b926ff 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -266,7 +266,6 @@ static int hns3_lp_run_test(struct net_device *ndev, enum
hnae3_loop mode)
if (tx_ret == NETDEV_TX_OK) {
good_cnt++;
} else {
- kfree_skb(skb);
netdev_err(ndev, "hns3_lb_run_test xmit failed: %d\n",
tx_ret);
}
--
2.7.4
