net: hns3: remove unnecessary frag list checking in hns3_nic_net_xmit()
authorHuazhong Tan <tanhuazhong@huawei.com>
Thu, 14 May 2020 12:41:26 +0000 (20:41 +0800)
committerDavid S. Miller <davem@davemloft.net>
Thu, 14 May 2020 20:18:10 +0000 (13:18 -0700)
The skb_has_frag_list() in hns3_nic_net_xmit() is redundant, since
skb_walk_frags() includes this checking implicitly.

Reported-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c

index c79d6a3..9fe40c7 100644 (file)
@@ -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 |=