From: jamal <hadi@cyberus.ca>
Date: Fri, 4 Jun 2010 02:43:06 +0000 (+0000)
Subject: net sched: make pedit check for clones instead
X-Git-Tag: v2.6.36-rc1~571^2~629
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=9dacaf17a60101a55d456cc7b00e269d8145aa0d;p=karo-tx-linux.git

net sched: make pedit check for clones instead

Now that the core path doesnt set OK to munge we detect
writable skbs by looking to see if they are cloned.

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 50e3d945e1f4..a0593c9640db 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -127,8 +127,7 @@ static int tcf_pedit(struct sk_buff *skb, struct tc_action *a,
 	int i, munged = 0;
 	unsigned int off;
 
-	if (!(skb->tc_verd & TC_OK2MUNGE)) {
-		/* should we set skb->cloned? */
+	if (skb_cloned(skb)) {
 		if (pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
 			return p->tcf_action;
 		}