[PATCH 1/6] range-diff: avoid leaking memory in two error code paths

From: "Johannes Schindelin via GitGitGadget" <gitgitgadget@gmail.com>
To: git@vger.kernel.org
Cc: Johannes Schindelin <johannes.schindelin@gmx.de>,
	Johannes Schindelin <johannes.schindelin@gmx.de>
Subject: [PATCH 1/6] range-diff: avoid leaking memory in two error code paths
Date: Thu, 04 Feb 2021 20:07:49 +0000	[thread overview]
Message-ID: <5f2f06b79e208b68f3c753538f2b081729765b82.1612469275.git.gitgitgadget@gmail.com> (raw)
In-Reply-To: <pull.869.git.1612469275.gitgitgadget@gmail.com>

From: Johannes Schindelin <johannes.schindelin@gmx.de>

In the code paths in question, we already release a lot of memory, but
the `current_filename` variable was missed. Fix that.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
 range-diff.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/range-diff.c b/range-diff.c
index 0c6ac4f954d1..963cdecb4cbb 100644
--- a/range-diff.c
+++ b/range-diff.c
@@ -97,6 +97,7 @@ static int read_patches(const char *range, struct string_list *list,
 			if (get_oid(p, &util->oid)) {
 				error(_("could not parse commit '%s'"), p);
 				free(util);
+				free(current_filename);
 				string_list_clear(list, 1);
 				strbuf_release(&buf);
 				strbuf_release(&contents);
@@ -112,6 +113,7 @@ static int read_patches(const char *range, struct string_list *list,
 			error(_("could not parse first line of `log` output: "
 				"did not start with 'commit ': '%s'"),
 			      line);
+			free(current_filename);
 			string_list_clear(list, 1);
 			strbuf_release(&buf);
 			strbuf_release(&contents);
-- 
gitgitgadget

