Patrick McHardy wrote:
Hi Dave,
Jamal asked me to add back the call to pskb_expand_head before 2.6.11.
This fixes a regression caused by my tc action cleanup patches, the
tc actions most not replace packets, so it must prevent netfilter from
doing so.
I forgot the Signed-off-by line, sorry:
Signed-off-by: Patrick McHardy <kaber@xxxxxxxxx>
------------------------------------------------------------------------
===== net/sched/ipt.c 1.13 vs edited =====
--- 1.13/net/sched/ipt.c 2005-01-14 05:41:07 +01:00
+++ edited/net/sched/ipt.c 2005-02-04 04:06:45 +01:00
@@ -207,6 +207,11 @@
struct tcf_ipt *p = PRIV(a, ipt);
struct sk_buff *skb = *pskb;
+ if (skb_cloned(skb)) {
+ if (pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
+ return TC_ACT_UNSPEC;
+ }
+
spin_lock(&p->lock);
p->tm.lastuse = jiffies;
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