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>
This commit is contained in:
jamal 2010-06-04 02:43:06 +00:00 committed by David S. Miller
parent f2a03367c0
commit 9dacaf17a6

View File

@ -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;
}