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net: Add skb_unclone() helper function.

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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>
This commit is contained in:
Pravin B Shelar
2013-02-14 09:44:49 +00:00
committed by David S. Miller
parent d887199dc2
commit 14bbd6a565
13 changed files with 23 additions and 21 deletions
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3
net/ipv6/ah6.c
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@@ -521,8 +521,7 @@ static int ah6_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;