diff options
| author |   Yunjian Wang <wangyunjian@huawei.com> | 2020-12-26 16:10:05 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-12-28 14:57:35 -0800 |
| commit | 5ede3ada3da7f050519112b81badc058190b9f9f (patch) | |
| tree | edf049211280af9e8fb3b40edbad9e0ef1de46f3 /drivers/net/ethernet/hisilicon/hns | |
| parent | net: sched: prevent invalid Scell_log shift count (diff) | |
| download | linux-dev-5ede3ada3da7f050519112b81badc058190b9f9f.tar.xz linux-dev-5ede3ada3da7f050519112b81badc058190b9f9f.zip | |
net: hns: fix return value check in __lb_other_process()
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>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns')
| -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 7165da0ee9aa..a6e3f07caf99 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; |