merge: release strbuf after use in save_state()

Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Rene Scharfe committed Aug 30, 2017 at 19:49 UTC 150888e2733fa932949dad88af1b049193ef096f
1 file changed +6 -2
builtin/merge.c
+6 -2
@@ -253,6 +253,7 @@ static int save_state(struct object_id *stash)
253 struct child_process cp = CHILD_PROCESS_INIT;
254 struct strbuf buffer = STRBUF_INIT;
255 const char *argv[] = {"stash", "create", NULL};
256 + int rc = -1;
257
258 cp.argv = argv;
259 cp.out = -1;
@@ -266,11 +267,14 @@ static int save_state(struct object_id *stash)
267 if (finish_command(&cp) || len < 0)
268 die(_("stash failed"));
269 else if (!len) /* no changes */
269 - return -1;
270 + goto out;
271 strbuf_setlen(&buffer, buffer.len-1);
272 if (get_oid(buffer.buf, stash))
273 die(_("not a valid object: %s"), buffer.buf);
273 - return 0;
274 + rc = 0;
275 +out:
276 + strbuf_release(&buffer);
277 + return rc;
278 }
279
280 static void read_empty(unsigned const char *sha1, int verbose)