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Message-Id: <20240705082421.7061-1-liujing@cmss.chinamobile.com>
Date: Fri,  5 Jul 2024 16:24:21 +0800
From: Liu Jing <liujing@...s.chinamobile.com>
To: davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	shuah@...nel.org
Cc: netdev@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	liujing@...s.chinamobile.com
Subject: [PATCH] selftests/net: missing close function in randomize function

in randomize function, there is a open function, but there is no
close function in the randomize, which is easy to cause memory leaks.

Signed-off-by: Liu Jing <liujing@...s.chinamobile.com>
---
 tools/testing/selftests/net/tcp_mmap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/net/tcp_mmap.c b/tools/testing/selftests/net/tcp_mmap.c
index 4fcce5150850..ab305e262d0a 100644
--- a/tools/testing/selftests/net/tcp_mmap.c
+++ b/tools/testing/selftests/net/tcp_mmap.c
@@ -438,6 +438,7 @@ static void randomize(void *target, size_t count)
 		perror("read /dev/urandom");
 		exit(1);
 	}
+	close(urandom);
 }
 
 int main(int argc, char *argv[])
-- 
2.33.0




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