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authorPravin B Shelar <pshelar@nicira.com>2013-02-14 13:44:49 +0400
committerDavid S. Miller <davem@davemloft.net>2013-02-16 00:10:37 +0400
commit14bbd6a565e1bcdc240d44687edb93f721cfdf99 (patch)
treeb2001bb985856d2177212451273d1f6ebcc55035 /net/sched
parentd887199dc28c46788b155b234274d5ff41afed8e (diff)
downloadlinux-14bbd6a565e1bcdc240d44687edb93f721cfdf99.tar.xz
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 'net/sched')
-rw-r--r--net/sched/act_ipt.c6
-rw-r--r--net/sched/act_pedit.c3
2 files changed, 3 insertions, 6 deletions
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 0fb9e3f567e6..e0f6de64afec 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -207,10 +207,8 @@ static int tcf_ipt(struct sk_buff *skb, const struct tc_action *a,
struct tcf_ipt *ipt = a->priv;
struct xt_action_param par;
- if (skb_cloned(skb)) {
- if (pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
- return TC_ACT_UNSPEC;
- }
+ if (skb_unclone(skb, GFP_ATOMIC))
+ return TC_ACT_UNSPEC;
spin_lock(&ipt->tcf_lock);
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 0c3faddf3f2c..7ed78c9e505c 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -131,8 +131,7 @@ static int tcf_pedit(struct sk_buff *skb, const struct tc_action *a,
int i, munged = 0;
unsigned int off;
- if (skb_cloned(skb) &&
- pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
+ if (skb_unclone(skb, GFP_ATOMIC))
return p->tcf_action;
off = skb_network_offset(skb);