diff options
author | Herbert Xu <herbert@gondor.apana.org.au> | 2011-07-27 13:16:28 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2011-07-27 13:16:28 (GMT) |
commit | 17dd759c67f21e34f2156abcf415e1f60605a188 (patch) | |
tree | 991e4406ec835cf4cbb8108a6307c35f3164007b /include | |
parent | 2d348d1f569f051d2609b04d27bb55cd25eda8fe (diff) | |
download | linux-fsl-qoriq-17dd759c67f21e34f2156abcf415e1f60605a188.tar.xz |
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>
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/netdevice.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 1d92acc..661a077 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1649,9 +1649,12 @@ static inline int skb_gro_header_hard(struct sk_buff *skb, unsigned int hlen) static inline void *skb_gro_header_slow(struct sk_buff *skb, unsigned int hlen, unsigned int offset) { + if (!pskb_may_pull(skb, hlen)) + return NULL; + NAPI_GRO_CB(skb)->frag0 = NULL; NAPI_GRO_CB(skb)->frag0_len = 0; - return pskb_may_pull(skb, hlen) ? skb->data + offset : NULL; + return skb->data + offset; } static inline void *skb_gro_mac_header(struct sk_buff *skb) |