From 8f4496148b643f48ec969f48fdaf5d6d8e6153ed Mon Sep 17 00:00:00 2001 From: Junio C Hamano Date: Wed, 11 May 2016 16:19:17 -0700 Subject: [PATCH] rerere: plug memory leaks upon "rerere forget" failure Signed-off-by: Junio C Hamano --- rerere.c | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) diff --git a/rerere.c b/rerere.c index 16938662dd..a804171a44 100644 --- a/rerere.c +++ b/rerere.c @@ -1052,8 +1052,8 @@ static int rerere_forget_one_path(const char *path, struct string_list *rr) handle_cache(path, sha1, rerere_path(id, "thisimage")); if (read_mmfile(&cur, rerere_path(id, "thisimage"))) { free(cur.ptr); - return error("Failed to update conflicted state in '%s'", - path); + error("Failed to update conflicted state in '%s'", path); + goto fail_exit; } cleanly_resolved = !try_merge(id, path, &cur, &result); free(result.ptr); @@ -1062,14 +1062,19 @@ static int rerere_forget_one_path(const char *path, struct string_list *rr) break; } - if (id->collection->status_nr <= id->variant) - return error("no remembered resolution for '%s'", path); + if (id->collection->status_nr <= id->variant) { + error("no remembered resolution for '%s'", path); + goto fail_exit; + } filename = rerere_path(id, "postimage"); - if (unlink(filename)) - return (errno == ENOENT - ? error("no remembered resolution for %s", path) - : error("cannot unlink %s: %s", filename, strerror(errno))); + if (unlink(filename)) { + if (errno == ENOENT) + error("no remembered resolution for %s", path); + else + error("cannot unlink %s: %s", filename, strerror(errno)); + goto fail_exit; + }; /* * Update the preimage so that the user can resolve the @@ -1088,6 +1093,10 @@ static int rerere_forget_one_path(const char *path, struct string_list *rr) item->util = id; fprintf(stderr, "Forgot resolution for %s\n", path); return 0; + +fail_exit: + free(id); + return -1; } int rerere_forget(struct pathspec *pathspec) -- 2.43.2