From 8207f478fc372c7e648407bd53acd3ea8afd9112 Mon Sep 17 00:00:00 2001
From: Hiroki Sato <hrs@FreeBSD.org>
Date: Thu, 18 Jul 2013 02:34:25 +0000
Subject: Fix a gcc warning.

Pointy hat to:	hrs
---
 sbin/route/route.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sbin/route/route.c b/sbin/route/route.c
index 6e3b25735dd5..b829bd29336b 100644
--- a/sbin/route/route.c
+++ b/sbin/route/route.c
@@ -1457,7 +1457,10 @@ rtmsg(int cmd, int flags, int fib)
 
 #define NEXTADDR(w, u)							\
 	if (rtm_addrs & (w)) {						\
-		l = SA_SIZE((struct sockaddr *)&(u));			\
+		l = (((struct sockaddr *)&(u))->sa_len == 0) ?		\
+		    sizeof(long) :					\
+		    1 + ((((struct sockaddr *)&(u))->sa_len - 1)	\
+			| (sizeof(long) - 1));				\
 		memmove(cp, (char *)&(u), l);				\
 		cp += l;						\
 		if (verbose)						\
-- 
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