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authorPravin B Shelar <pshelar@nicira.com>2013-02-14 09:44:49 +0000
committerDavid S. Miller <davem@davemloft.net>2013-02-15 15:10:37 -0500
commit14bbd6a565e1bcdc240d44687edb93f721cfdf99 (patch)
treeb2001bb985856d2177212451273d1f6ebcc55035 /net/ipv4/ah4.c
parentd887199dc28c46788b155b234274d5ff41afed8e (diff)
net: Add skb_unclone() helper function.
This function will be used in next GRE_GSO patch. This patch does not change any functionality. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Eric Dumazet <edumazet@google.com>
Diffstat (limited to 'net/ipv4/ah4.c')
-rw-r--r--net/ipv4/ah4.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index a69b4e4a02b5..2e7f1948216f 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -321,8 +321,7 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
/* We are going to _remove_ AH header to keep sockets happy,
* so... Later this can change. */
- if (skb_cloned(skb) &&
- pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
+ if (skb_unclone(skb, GFP_ATOMIC))
goto out;
skb->ip_summed = CHECKSUM_NONE;