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authorHerbert Xu <herbert@gondor.apana.org.au>2007-03-06 20:26:48 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2007-03-07 16:08:04 -0800
commitd644329bc9f10213a282387dfe4984ff891dd768 (patch)
treea22fa4740a9bba8f8b994a9b988cc5bc68da9538 /net
parentba5dcee128d9f2877a6d2a5b150c24d90d77dad1 (diff)
downloadlinux-d644329bc9f10213a282387dfe4984ff891dd768.tar.bz2
[UDP]: Reread uh pointer after pskb_trim
The header may have moved when trimming. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/udp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index ce6c46034314..fc620a7c1db4 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1215,6 +1215,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
if (ulen < sizeof(*uh) || pskb_trim_rcsum(skb, ulen))
goto short_packet;
+ uh = skb->h.uh;
udp4_csum_init(skb, uh);