log: fix memory leak in open_next_file()

Noticed-by: Jeff King <peff@peff.net>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2017-05-03 17:16:56 +07:00 committed by Junio C Hamano
parent f7566f073f
commit 15d980a785

View file

@ -842,8 +842,10 @@ static int open_next_file(struct commit *commit, const char *subject,
if (output_directory) {
strbuf_addstr(&filename, output_directory);
if (filename.len >=
PATH_MAX - FORMAT_PATCH_NAME_MAX - suffix_len)
PATH_MAX - FORMAT_PATCH_NAME_MAX - suffix_len) {
strbuf_release(&filename);
return error(_("name of output directory is too long"));
}
strbuf_complete(&filename, '/');
}
@ -857,9 +859,11 @@ static int open_next_file(struct commit *commit, const char *subject,
if (!quiet)
printf("%s\n", filename.buf + outdir_offset);
if ((rev->diffopt.file = fopen(filename.buf, "w")) == NULL)
return error_errno(_("Cannot open patch file %s"),
filename.buf);
if ((rev->diffopt.file = fopen(filename.buf, "w")) == NULL) {
error_errno(_("Cannot open patch file %s"), filename.buf);
strbuf_release(&filename);
return -1;
}
strbuf_release(&filename);
return 0;