From 23b698b92fefd4ca8892bb5d116a1709e19c9c09 Mon Sep 17 00:00:00 2001
From: monthadar <monthadar@FreeBSD.org>
Date: Thu, 7 Feb 2013 21:19:44 +0000
Subject: [PATCH] HWMP: Accept a PERR even if path is valid.

* An HWMP PERR should be accepted even if path is valid. Because
  we check if we recevied it from a neighbour that we use as a next hop;

Approved by:	adrian (mentor)
---
 sys/net80211/ieee80211_hwmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/net80211/ieee80211_hwmp.c b/sys/net80211/ieee80211_hwmp.c
index f15347c6c4cf..7c8b3f9ec819 100644
--- a/sys/net80211/ieee80211_hwmp.c
+++ b/sys/net80211/ieee80211_hwmp.c
@@ -1528,7 +1528,7 @@ hwmp_recv_perr(struct ieee80211vap *vap, struct ieee80211_node *ni,
 	 */
 	for (i = 0; i < perr->perr_ndests; i++) {
 		rt = ieee80211_mesh_rt_find(vap, PERR_DADDR(i));
-		if (rt == NULL || rt->rt_flags & IEEE80211_MESHRT_FLAGS_VALID)
+		if (rt == NULL)
 			continue;
 		if (!IEEE80211_ADDR_EQ(rt->rt_nexthop, wh->i_addr2))
 			continue;