tree 2bf343e769106a87e3cda9801e3b8cb942d722c9
parent 15da4b1612d608a47e095439b3dd1d77ffe20e0c
author Wei Yongjun <yjwei@cn.fujitsu.com> 1246553843 +0000
committer David S. Miller <davem@davemloft.net> 1246673406 -0700

xfrm4: fix the ports decode of sctp protocol

The SCTP pushed the skb data above the sctp chunk header, so the check
of pskb_may_pull(skb, xprth + 4 - skb->data) in _decode_session4() will
never return 0 because xprth + 4 - skb->data < 0, the ports decode of
sctp will always fail.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>