net: remove open-coded skb_cow_head.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/dev.c b/net/core/dev.c
index 138ab89..239722a 100644 (file)
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2421,8 +2421,8 @@ struct sk_buff *__skb_gso_segment(struct sk_buff *skb,
 
                skb_warn_bad_offload(skb);
 
-               if (skb_header_cloned(skb) &&
-                   (err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
+               err = skb_cow_head(skb, 0);
+               if (err < 0)
                        return ERR_PTR(err);
        }