From 65b4f270547e6618baa110619126dcfd3d957268 Mon Sep 17 00:00:00 2001
From: Xin LI <delphij@FreeBSD.org>
Date: Thu, 3 Sep 2015 01:15:23 +0000
Subject: [PATCH] Don't leak 'var'.

Reported by:	clang static analyzer
---
 usr.sbin/makefs/mtree.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/usr.sbin/makefs/mtree.c b/usr.sbin/makefs/mtree.c
index 9d396d1a5ecb..8a687bfd5534 100644
--- a/usr.sbin/makefs/mtree.c
+++ b/usr.sbin/makefs/mtree.c
@@ -181,7 +181,7 @@ static char *
 mtree_resolve(const char *spec, int *istemp)
 {
 	struct sbuf *sb;
-	char *res, *var;
+	char *res, *var = NULL;
 	const char *base, *p, *v;
 	size_t len;
 	int c, error, quoted, subst;
@@ -284,8 +284,10 @@ mtree_resolve(const char *spec, int *istemp)
 			free(res);
 		}
 		free(var);
+		var = NULL;
 	}
 
+	free(var);
 	sbuf_finish(sb);
 	res = (error == 0) ? strdup(sbuf_data(sb)) : NULL;
 	sbuf_delete(sb);