From b06b35f0754747f9f178be155a2903b360aa2b6c Mon Sep 17 00:00:00 2001
From: Christian Franke <chris@opensourcerouting.org>
Date: Fri, 7 Dec 2012 14:26:09 +0000
Subject: bgpd: fix a memleak on "set community none"

Signed-off-by: Christian Franke <chris@opensourcerouting.org>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
---
 bgpd/bgp_routemap.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'bgpd')

diff --git a/bgpd/bgp_routemap.c b/bgpd/bgp_routemap.c
index f2204003..40f20765 100644
--- a/bgpd/bgp_routemap.c
+++ b/bgpd/bgp_routemap.c
@@ -1347,6 +1347,9 @@ route_set_community (void *rule, struct prefix *prefix,
 	{
 	  attr->flag &= ~(ATTR_FLAG_BIT (BGP_ATTR_COMMUNITIES));
 	  attr->community = NULL;
+	  /* See the longer comment down below. */
+	  if (old && old->refcnt == 0)
+	    community_free(old);
 	  return RMAP_OKAY;
 	}
 
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