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>

1 files changed, 1 insertions, 2 deletions

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;
                 }