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authorArnaldo Carvalho de Melo <acme@redhat.com>2007-02-25 02:12:42 (GMT)
committerDavid S. Miller <davem@sunset.davemloft.net>2007-02-26 19:43:01 (GMT)
commite4396b544fa5c85e3c263e0bc92b0743a24ba818 (patch)
tree834bc9f7a8e6f741654a61ecdea60ec08759334f /net
parent4c3ae4d7e727eac6f6eb23587cef0413734d4ae1 (diff)
downloadlinux-e4396b544fa5c85e3c263e0bc92b0743a24ba818.tar.xz
[XFRM_TUNNEL]: Reload header pointer after pskb_may_pull/pskb_expand_head
Please consider applying, this was found on your latest net-2.6 tree while playing around with that ip_hdr() + turn skb->nh/h/mac pointers as offsets on 64 bits idea :-) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/xfrm4_mode_tunnel.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c
index e1cab33..ceb4376 100644
--- a/net/ipv4/xfrm4_mode_tunnel.c
+++ b/net/ipv4/xfrm4_mode_tunnel.c
@@ -111,6 +111,7 @@ static int xfrm4_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
(err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
goto out;
+ iph = skb->nh.iph;
if (iph->protocol == IPPROTO_IPIP) {
if (x->props.flags & XFRM_STATE_DECAP_DSCP)
ipv4_copy_dscp(iph, skb->h.ipiph);