linux-kernel - [PATCH] selftests/mm: Add missing free.

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Message-Id: <20240927030114.3792-1-zhangjiao2@cmss.chinamobile.com>
Date: Fri, 27 Sep 2024 11:01:14 +0800
From: zhangjiao2 <zhangjiao2@...s.chinamobile.com>
To: akpm@...ux-foundation.org
Cc: shuah@...nel.org,
	linux-mm@...ck.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	zhang jiao <zhangjiao2@...s.chinamobile.com>
Subject: [PATCH] selftests/mm: Add missing free.

From: zhang jiao <zhangjiao2@...s.chinamobile.com>

There is a memory leak in mkdirty, just free src before return.

Signed-off-by: zhang jiao <zhangjiao2@...s.chinamobile.com>
---
 tools/testing/selftests/mm/mkdirty.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/mm/mkdirty.c b/tools/testing/selftests/mm/mkdirty.c
index 1db134063c38..af2fce496912 100644
--- a/tools/testing/selftests/mm/mkdirty.c
+++ b/tools/testing/selftests/mm/mkdirty.c
@@ -280,6 +280,7 @@ static void test_uffdio_copy(void)
 	dst = mmap(NULL, pagesize, PROT_READ, MAP_PRIVATE|MAP_ANON, -1, 0);
 	if (dst == MAP_FAILED) {
 		ksft_test_result_fail("mmap() failed\n");
+		free(src);
 		return;
 	}
 
-- 
2.33.0