linux-kernel - [PATCH] selftests/rtc:Fix a resource leak

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Message-Id: <20240710060743.4691-1-zhujun2@cmss.chinamobile.com>
Date: Tue,  9 Jul 2024 23:07:43 -0700
From: Zhu Jun <zhujun2@...s.chinamobile.com>
To: alexandre.belloni@...tlin.com,
	shuah@...nel.org
Cc: linux-rtc@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	zhujun2@...s.chinamobile.com
Subject: [PATCH] selftests/rtc:Fix a resource leak

The opened file should be closed before exit, otherwise resource leak
will occur that this problem was discovered by reading code

Signed-off-by: Zhu Jun <zhujun2@...s.chinamobile.com>
---
 tools/testing/selftests/rtc/setdate.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/rtc/setdate.c b/tools/testing/selftests/rtc/setdate.c
index b303890b3de2..17a00affb0ec 100644
--- a/tools/testing/selftests/rtc/setdate.c
+++ b/tools/testing/selftests/rtc/setdate.c
@@ -65,6 +65,7 @@ int main(int argc, char **argv)
 	retval = ioctl(fd, RTC_RD_TIME, &current);
 	if (retval == -1) {
 		perror("RTC_RD_TIME ioctl");
+		close(fd);
 		exit(errno);
 	}
 
-- 
2.17.1