Revert "sit: reload iphdr in ipip6_rcv"
authorDavid S. Miller <davem@davemloft.net>
Tue, 6 Jun 2017 15:34:06 +0000 (11:34 -0400)
committerDavid S. Miller <davem@davemloft.net>
Tue, 6 Jun 2017 15:34:06 +0000 (11:34 -0400)
This reverts commit b699d0035836f6712917a41e7ae58d84359b8ff9.

As per Eric Dumazet, the pskb_may_pull() is a NOP in this
particular case, so the 'iph' reload is unnecessary.

Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/sit.c

index af832e7ce80f82a0e74613e88a0abf1e0db627c0..61e5902f068732b10f734c7937c7539d418820d7 100644 (file)
@@ -657,7 +657,6 @@ static int ipip6_rcv(struct sk_buff *skb)
                if (iptunnel_pull_header(skb, 0, htons(ETH_P_IPV6),
                    !net_eq(tunnel->net, dev_net(tunnel->dev))))
                        goto out;
-               iph = ip_hdr(skb);
 
                err = IP_ECN_decapsulate(iph, skb);
                if (unlikely(err)) {