* [PATCH AUTOSEL 5.18 13/53] selftests: vm: Fix resource leak when return error
[not found] <20220628021839.594423-1-sashal@kernel.org>
@ 2022-06-28 2:17 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2022-06-28 2:17 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Ding Xiang, Shuah Khan, Sasha Levin, shuah, linux-mm, linux-kselftest
From: Ding Xiang <dingxiang@cmss.chinamobile.com>
[ Upstream commit 3084a4ec7f9bb1ec90036cfd01b1abadc5dd4fb2 ]
When return on an error path, file handle need to be closed
to prevent resource leak
Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
tools/testing/selftests/vm/ksm_tests.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/testing/selftests/vm/ksm_tests.c b/tools/testing/selftests/vm/ksm_tests.c
index fd85f15869d1..aa834b04daa8 100644
--- a/tools/testing/selftests/vm/ksm_tests.c
+++ b/tools/testing/selftests/vm/ksm_tests.c
@@ -54,6 +54,7 @@ static int ksm_write_sysfs(const char *file_path, unsigned long val)
}
if (fprintf(f, "%lu", val) < 0) {
perror("fprintf");
+ fclose(f);
return 1;
}
fclose(f);
@@ -72,6 +73,7 @@ static int ksm_read_sysfs(const char *file_path, unsigned long *val)
}
if (fscanf(f, "%lu", val) != 1) {
perror("fscanf");
+ fclose(f);
return 1;
}
fclose(f);
--
2.35.1
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