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>
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committed by
David S. Miller

parent
d887199dc2
commit
14bbd6a565
@@ -132,7 +132,7 @@ int xfrm4_udp_encap_rcv(struct sock *sk, struct sk_buff *skb)
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* header and optional ESP marker bytes) and then modify the
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* protocol to ESP, and then call into the transform receiver.
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*/
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if (skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
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if (skb_unclone(skb, GFP_ATOMIC))
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goto drop;
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/* Now we can update and verify the packet length... */
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