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authorHerbert Xu <herbert@gondor.apana.org.au>2005-12-14 13:02:35 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2005-12-26 16:08:56 -0800
commit53e2254fe13b88de5957b22a5264e8e01e599f51 (patch)
tree7bd0ebbb1c56ca67640443f96099846dcf249317
parentfe2e17a405a58ec8a7138fee4ebe101858b636e0 (diff)
[PATCH] Fix hardware checksum modification
The skb_postpull_rcsum introduced a bug to the checksum modification. Although the length pulled is offset bytes, the origin of the pulling is the GRE header, not the IP header. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Chris Wright <chrisw@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--net/ipv4/ip_gre.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 896ce3f8f53a..fa64931cff5f 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -617,7 +617,7 @@ static int ipgre_rcv(struct sk_buff *skb)
skb->mac.raw = skb->nh.raw;
skb->nh.raw = __pskb_pull(skb, offset);
- skb_postpull_rcsum(skb, skb->mac.raw, offset);
+ skb_postpull_rcsum(skb, skb->h.raw, offset);
memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options));
skb->pkt_type = PACKET_HOST;
#ifdef CONFIG_NET_IPGRE_BROADCAST