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 20:10:19 +0100 |
| commit | 6928179970635accad665f34fbdaef3113b5cee0 (patch) | |
| tree | 539687c245bca5f88ceea508d0a2f0b1e0024a59 | |
| parent | d45a1c9d0438bc526173674b86a35b0b56d12b98 (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>
| -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 1fa0cd527ead..f453cebf758c 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c @@ -419,6 +419,10 @@ 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; |