builtin/fetch-pack: cleanup before return error

In builtin/fetch-pack.c:cmd_fetch_pack(), if finish_connect() failed, it returns error code without cleanup which cause memory leak. Add cleanup label before frees in the end of cmd_fetch_pack(), and add `goto cleanup` if finish_connect() failed. Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn> Acked-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Lidong Yan committed Jun 4, 2025 at 03:07 UTC aedebdb6b99af5fb5a61ae1359c1ed3a7b55135c
1 file changed +5 -2
builtin/fetch-pack.c
+5 -2
@@ -274,8 +274,10 @@ int cmd_fetch_pack(int argc,
274 }
275 close(fd[0]);
276 close(fd[1]);
277 - if (finish_connect(conn))
278 - return 1;
277 + if (finish_connect(conn)) {
278 + ret = 1;
279 + goto cleanup;
280 + }
281
282 ret = !fetched_refs;
283
@@ -291,6 +293,7 @@ int cmd_fetch_pack(int argc,
293 printf("%s %s\n",
294 oid_to_hex(&ref->old_oid), ref->name);
295
296 +cleanup:
297 for (size_t i = 0; i < nr_sought; i++)
298 free_one_ref(sought_to_free[i]);
299 free(sought_to_free);