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[UDP]: Reread uh pointer after pskb_trim

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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>
This commit is contained in:
Herbert Xu
2007-03-06 20:26:48 -08:00
committed by David S. Miller
parent ba5dcee128
commit d644329bc9
1 changed files with 1 additions and 0 deletions
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net/ipv4/udp.c
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@ -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)) if (ulen < sizeof(*uh) || pskb_trim_rcsum(skb, ulen))
goto short_packet; goto short_packet;
uh = skb->h.uh;
udp4_csum_init(skb, uh); udp4_csum_init(skb, uh);