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authorHerbert Xu <herbert@gondor.apana.org.au>2006-06-30 16:35:46 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2006-06-30 17:12:04 -0400
commit2889139a6acd2945f6143eb85f7dc2a22a352e1a (patch)
tree67d21e371107c46f6f0e7a2708b19ad24d8cbfbe /net/ipv6
parentdd7271feba61d5dc0fab1cb5365db9926d35ea3a (diff)
[IPV6]: Remove redundant length check on input
We don't need to check skb->len when we're just about to call pskb_may_pull since that checks it for us. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/ip6_input.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index aceee252503d..df8f051c0fce 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -84,14 +84,9 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
84 */ 84 */
85 IP6CB(skb)->iif = skb->dst ? ((struct rt6_info *)skb->dst)->rt6i_idev->dev->ifindex : dev->ifindex; 85 IP6CB(skb)->iif = skb->dst ? ((struct rt6_info *)skb->dst)->rt6i_idev->dev->ifindex : dev->ifindex;
86 86
87 if (skb->len < sizeof(struct ipv6hdr)) 87 if (unlikely(!pskb_may_pull(skb, sizeof(*hdr))))
88 goto err; 88 goto err;
89 89
90 if (!pskb_may_pull(skb, sizeof(struct ipv6hdr))) {
91 IP6_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS);
92 goto drop;
93 }
94
95 hdr = skb->nh.ipv6h; 90 hdr = skb->nh.ipv6h;
96 91
97 if (hdr->version != 6) 92 if (hdr->version != 6)