From e59c01b14f52764214c109603e8dd533dacef5da Mon Sep 17 00:00:00 2001
From: bz <bz@FreeBSD.org>
Date: Tue, 24 Jan 2012 13:57:30 +0000
Subject: Plug a possible ifa_ref leak in case of premature return from
 in6_purgeaddr().

Reviewed by:	rwatson
MFC after:	3 days
---
 sys/netinet6/in6.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'sys/netinet6/in6.c')

diff --git a/sys/netinet6/in6.c b/sys/netinet6/in6.c
index bde3db5..cf5eb35 100644
--- a/sys/netinet6/in6.c
+++ b/sys/netinet6/in6.c
@@ -1477,6 +1477,8 @@ in6_purgeaddr(struct ifaddr *ifa)
 	}
 
 cleanup:
+	if (ifa0 != NULL)
+		ifa_free(ifa0);
 
 	plen = in6_mask2len(&ia->ia_prefixmask.sin6_addr, NULL); /* XXX */
 	if ((ia->ia_flags & IFA_ROUTE) && plen == 128) {
@@ -1501,8 +1503,6 @@ cleanup:
 			return;
 		ia->ia_flags &= ~IFA_ROUTE;
 	}
-	if (ifa0 != NULL)
-		ifa_free(ifa0);
 
 	in6_unlink_ifa(ia, ifp);
 }
-- 
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