commit 14bbd6a565e1bcdc240d44687edb93f721cfdf99
author Pravin B Shelar <pshelar@nicira.com> Thu Feb 14 09:44:49 2013 +0000
committer David S. Miller <davem@davemloft.net> Fri Feb 15 15:10:37 2013 -0500
tree b2001bb985856d2177212451273d1f6ebcc55035
parent d887199dc28c46788b155b234274d5ff41afed8e

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>

net/ipv6/ah6.c

diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 3842331..bb02e17 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -521,8 +521,7 @@
 
 	/* 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;