gro: Only reset frag0 when skb can be pulled
authorHerbert Xu <herbert@gondor.apana.org.au>
Wed, 27 Jul 2011 13:16:28 +0000 (06:16 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 27 Jul 2011 13:16:28 +0000 (06:16 -0700)
commit17dd759c67f21e34f2156abcf415e1f60605a188
tree991e4406ec835cf4cbb8108a6307c35f3164007b
parent2d348d1f569f051d2609b04d27bb55cd25eda8fe
gro: Only reset frag0 when skb can be pulled

Currently skb_gro_header_slow unconditionally resets frag0 and
frag0_len.  However, when we can't pull on the skb this leaves
the GRO fields in an inconsistent state.

This patch fixes this by only resetting those fields after the
pskb_may_pull test.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/netdevice.h