linux-kernel - [PATCH] selftests/media_tests: fix a resource leak

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Message-Id: <20231114093812.7169-1-zhujun2@cmss.chinamobile.com>
Date:   Tue, 14 Nov 2023 01:38:12 -0800
From:   zhujun2 <zhujun2@...s.chinamobile.com>
To:     shuah@...nel.org
Cc:     mathieu.desnoyers@...icios.com, zhujun2@...s.chinamobile.com,
        ivan.orlov0322@...il.com, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] selftests/media_tests: fix a resource leak

The opened file should be closed in main(), otherwise resource
leak will occur that this problem was discovered by code reading

Signed-off-by: zhujun2 <zhujun2@...s.chinamobile.com>
---
 tools/testing/selftests/media_tests/media_device_open.c | 3 +++
 tools/testing/selftests/media_tests/media_device_test.c | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/tools/testing/selftests/media_tests/media_device_open.c b/tools/testing/selftests/media_tests/media_device_open.c
index 93183a37b133..2dfb2a11b148 100644
--- a/tools/testing/selftests/media_tests/media_device_open.c
+++ b/tools/testing/selftests/media_tests/media_device_open.c
@@ -70,6 +70,7 @@ int main(int argc, char **argv)
 	fd = open(media_device, O_RDWR);
 	if (fd == -1) {
 		printf("Media Device open errno %s\n", strerror(errno));
+		close(fd);
 		exit(-1);
 	}
 
@@ -79,4 +80,6 @@ int main(int argc, char **argv)
 	else
 		printf("Media device model %s driver %s\n",
 			mdi.model, mdi.driver);
+
+	close(fd);
 }
diff --git a/tools/testing/selftests/media_tests/media_device_test.c b/tools/testing/selftests/media_tests/media_device_test.c
index 4b9953359e40..7cabb62535a7 100644
--- a/tools/testing/selftests/media_tests/media_device_test.c
+++ b/tools/testing/selftests/media_tests/media_device_test.c
@@ -79,6 +79,7 @@ int main(int argc, char **argv)
 	fd = open(media_device, O_RDWR);
 	if (fd == -1) {
 		printf("Media Device open errno %s\n", strerror(errno));
+		close(fd);
 		exit(-1);
 	}
 
@@ -100,4 +101,6 @@ int main(int argc, char **argv)
 		sleep(10);
 		count--;
 	}
+
+	close(fd);
 }
-- 
2.17.1