net: Add skb_unclone() helper function.

[linux-drm-fsl-dcu.git] / net / ipv4 / ah4.c

diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index a69b4e4a02b5099043d98e5278355274e18ea72b..2e7f1948216fe8ade7d57aa3baa652d14d6b9b7b 100644 (file)
--- 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;