On 16-09-12 05:58 PM, Eric Dumazet wrote:
On Mon, 2016-09-12 at 16:46 -0400, Jamal Hadi Salim wrote:
From: Jamal Hadi Salim <j...@mojatatu.com>
+
+ /* XXX: if you are going to edit more fields beyond ethernet header
+ * (example when you add IP header replacement or vlan swap)
+ * then MAX_EDIT_LEN needs to change appropriately
+ */
+ err = skb_ensure_writable(skb, ETH_HLEN);
+ if (unlikely(err)) /* best policy is to drop on the floor */
+ action = TC_ACT_SHOT;
+
+ rcu_read_lock();
+ action = READ_ONCE(d->tcf_action);
You are overwriting @action, while you might have put TC_ACT_SHOT in it
3 lines above.
Maybe you meant :
if (err)
return TC_ACT_SHOT;
Thanks for catching that (leftover from when i used a lock).
Will resubmit.
cheers,
jamal