net: Add skb_unclone() helper function.

[~andy/linux] / net / ipv6 / xfrm6_mode_tunnel.c

diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c
index 9f2095b19ad09bb4acfed82fd2d1c59652245373..93c41a81c4c32632338a87c43e0adf368ca2c7da 100644 (file)
--- a/net/ipv6/xfrm6_mode_tunnel.c
+++ b/net/ipv6/xfrm6_mode_tunnel.c
@@ -69,8 +69,7 @@ static int xfrm6_mode_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
        if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
                goto out;
 
-       if (skb_cloned(skb) &&
-           (err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
+       if (err = skb_unclone(skb, GFP_ATOMIC))
                goto out;
 
        if (x->props.flags & XFRM_STATE_DECAP_DSCP)