From: Yunsheng Lin linyunsheng@huawei.com
skb_put_padto() may fails because of memory failure, sw_err_cnt is already used to log memory failure in hns3_skb_linearize(), so use it to log the memory failure for skb_put_padto() too.
Signed-off-by: Yunsheng Lin linyunsheng@huawei.com Signed-off-by: Huazhong Tan tanhuazhong@huawei.com --- drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index 5e08ac9..f59cd71 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -1567,6 +1567,11 @@ netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev) /* Hardware can only handle short frames above 32 bytes */ if (skb_put_padto(skb, HNS3_MIN_TX_LEN)) { hns3_tx_doorbell(ring, 0, !netdev_xmit_more()); + + u64_stats_update_begin(&ring->syncp); + ring->stats.sw_err_cnt++; + u64_stats_update_end(&ring->syncp); + return NETDEV_TX_OK; }