Fix dumping possibly returning a positive code
Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
---

diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 2ffa11c..0477c7a 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -259,7 +259,7 @@ tcf_action_dump(struct sk_buff *skb, str
 
 rtattr_failure:
 	skb_trim(skb, b - skb->data);
-	return -err;
+	return -1;
 }
 
 struct tc_action *tcf_action_init_1(struct rtattr *rta, struct rtattr *est,