diff options
| author | Yunjian Wang <wangyunjian@huawei.com> | 2020-12-26 16:10:05 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-12 20:16:15 +0100 |
| commit | 606f5412ad86065af6d696f48dc58dab32700e87 (patch) | |
| tree | a787d539de8ed655e835fd87c582ceb9712b4021 /drivers/net/ethernet/hisilicon | |
| parent | e40b5fc79110d78473a8374e048861c5d204973b (diff) | |
net: hns: fix return value check in __lb_other_process()
[ Upstream commit 5ede3ada3da7f050519112b81badc058190b9f9f ]
The function skb_copy() could return NULL, the return value
need to be checked.
Fixes: b5996f11ea54 ("net: add Hisilicon Network Subsystem basic ethernet support")
Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/ethernet/hisilicon')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns/hns_ethtool.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c index 717fccc2efba..78b2f4e01bd8 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c @@ -415,6 +415,10 @@ static void __lb_other_process(struct hns_nic_ring_data *ring_data, /* for mutl buffer*/ new_skb = skb_copy(skb, GFP_ATOMIC); dev_kfree_skb_any(skb); + if (!new_skb) { + netdev_err(ndev, "skb alloc failed\n"); + return; + } skb = new_skb; check_ok = 0; |