diff options
Diffstat (limited to 'net/ipv4/ip_input.c')
| -rw-r--r-- | net/ipv4/ip_input.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index 0853819e04e9..c795f8cfd374 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -5,7 +5,7 @@ * * The Internet Protocol (IP) module. * - * Version: $Id: ip_input.c,v 1.53 2000/12/18 19:01:50 davem Exp $ + * Version: $Id: ip_input.c,v 1.54 2001/11/06 22:33:52 davem Exp $ * * Authors: Ross Biro, <bir7@leland.Stanford.Edu> * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> @@ -383,7 +383,7 @@ drop: */ int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt) { - struct iphdr *iph = skb->nh.iph; + struct iphdr *iph; /* When the interface is in promisc. mode, drop all the crap * that it receives, do not try to analyse it. @@ -418,6 +418,8 @@ int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt) if (!pskb_may_pull(skb, iph->ihl*4)) goto inhdr_error; + iph = skb->nh.iph; + if (ip_fast_csum((u8 *)iph, iph->ihl) != 0) goto inhdr_error; |