From: Huazhong Tan Date: Thu, 14 May 2020 12:41:26 +0000 (+0800) Subject: net: hns3: remove unnecessary frag list checking in hns3_nic_net_xmit() X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=5c6cfd309faa7a1958c14b937ba9b95abb1427de;p=openwrt%2Fstaging%2Fblogic.git net: hns3: remove unnecessary frag list checking in hns3_nic_net_xmit() The skb_has_frag_list() in hns3_nic_net_xmit() is redundant, since skb_walk_frags() includes this checking implicitly. Reported-by: Yunsheng Lin Signed-off-by: Huazhong Tan Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index c79d6a391105..9fe40c7773b4 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -1445,9 +1445,6 @@ netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev) bd_num += ret; - if (!skb_has_frag_list(skb)) - goto out; - skb_walk_frags(skb, frag_skb) { ret = hns3_fill_skb_to_desc(ring, frag_skb, DESC_TYPE_FRAGLIST_SKB); @@ -1456,7 +1453,7 @@ netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev) bd_num += ret; } -out: + pre_ntu = ring->next_to_use ? (ring->next_to_use - 1) : (ring->desc_num - 1); ring->desc[pre_ntu].tx.bdtp_fe_sc_vld_ra_ri |=