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authorPravin B Shelar <pshelar@nicira.com>2013-02-14 09:44:49 +0000
committerDavid S. Miller <davem@davemloft.net>2013-02-15 15:10:37 -0500
commit14bbd6a565e1bcdc240d44687edb93f721cfdf99 (patch)
treeb2001bb985856d2177212451273d1f6ebcc55035 /drivers/net/ppp
parentd887199dc28c46788b155b234274d5ff41afed8e (diff)
downloadop-kernel-dev-14bbd6a565e1bcdc240d44687edb93f721cfdf99.zip
op-kernel-dev-14bbd6a565e1bcdc240d44687edb93f721cfdf99.tar.gz
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>
Diffstat (limited to 'drivers/net/ppp')
-rw-r--r--drivers/net/ppp/ppp_generic.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 0b2706a..4fd754e 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -1805,8 +1805,7 @@ ppp_receive_nonmp_frame(struct ppp *ppp, struct sk_buff *skb)
/* the filter instructions are constructed assuming
a four-byte PPP header on each packet */
if (ppp->pass_filter || ppp->active_filter) {
- if (skb_cloned(skb) &&
- pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
+ if (skb_unclone(skb, GFP_ATOMIC))
goto err;
*skb_push(skb, 2) = 0;
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