[PATCH 18/34] merge: release strbuf after use in save_state()

[Rene Scharfe <l.s.r@web.de>]

Signed-off-by: Rene Scharfe <l.s.r@web.de>
---
 builtin/merge.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/builtin/merge.c b/builtin/merge.c
index 7df3fe3927..4f8418246b 100644
--- a/builtin/merge.c
+++ b/builtin/merge.c
@@ -250,27 +250,31 @@ static void drop_save(void)
 static int save_state(struct object_id *stash)
 {
 	int len;
 	struct child_process cp = CHILD_PROCESS_INIT;
 	struct strbuf buffer = STRBUF_INIT;
 	const char *argv[] = {"stash", "create", NULL};
+	int rc = -1;
 
 	cp.argv = argv;
 	cp.out = -1;
 	cp.git_cmd = 1;
 
 	if (start_command(&cp))
 		die(_("could not run stash."));
 	len = strbuf_read(&buffer, cp.out, 1024);
 	close(cp.out);
 
 	if (finish_command(&cp) || len < 0)
 		die(_("stash failed"));
 	else if (!len)		/* no changes */
-		return -1;
+		goto out;
 	strbuf_setlen(&buffer, buffer.len-1);
 	if (get_oid(buffer.buf, stash))
 		die(_("not a valid object: %s"), buffer.buf);
-	return 0;
+	rc = 0;
+out:
+	strbuf_release(&buffer);
+	return rc;
 }
 
 static void read_empty(unsigned const char *sha1, int verbose)
-- 
2.14.1