net: use skb_reset_mac_len() in dev_gro_receive()

We no longer need to use mac_len, lets cleanup things.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 3 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 1cd6297fd34b..6ad37896a324 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3802,7 +3802,6 @@ static enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff
         __be16 type = skb->protocol;
         struct list_head *head = &offload_base;
         int same_flow;
-        int mac_len;
         enum gro_result ret;
 
         if (!(skb->dev->features & NETIF_F_GRO) || netpoll_rx_on(skb))
@@ -3819,8 +3818,7 @@ static enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff
                         continue;
 
                 skb_set_network_header(skb, skb_gro_offset(skb));
-                mac_len = skb->network_header - skb->mac_header;
-                skb->mac_len = mac_len;
+                skb_reset_mac_len(skb);
                 NAPI_GRO_CB(skb)->same_flow = 0;
                 NAPI_GRO_CB(skb)->flush = 0;
                 NAPI_GRO_CB(skb)->free = 0;