From 6608cd5d7242a8b58e62208e71b6c276434566ec Mon Sep 17 00:00:00 2001
From: Cong Wang <xiyou.wangcong@gmail.com>
Date: Mon, 14 Apr 2014 18:39:08 -0700
Subject: [PATCH] act: fix the logic of parsing actions

It is proved that actions are not always put from 0,
they could be discontinuous.

http://lists.infradead.org/pipermail/libnl/2014-April/001374.html

Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Thomas Haller <thaller@redhat.com>
---
 lib/route/act.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/route/act.c b/lib/route/act.c
index 0e5d7d1..85ce445 100644
--- a/lib/route/act.c
+++ b/lib/route/act.c
@@ -396,9 +396,12 @@ int rtnl_act_parse(struct rtnl_act **head, struct nlattr *tb)
 	if (err < 0)
 		return err;
 
-	for (i = 0; i < TCA_ACT_MAX_PRIO && nla[i]; i++) {
+	for (i = 0; i < TCA_ACT_MAX_PRIO; i++) {
 		struct rtnl_tc *tc;
 
+		if (nla[i] == NULL)
+			continue;
+
 		act = rtnl_act_alloc();
 		if (!act) {
 			err = -NLE_NOMEM;