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selftests: vm: Fix resource leak when return error

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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>
This commit is contained in:
Ding Xiang 2022-06-15 17:36:29 +08:00 committed by Shuah Khan
parent 12a29115be
commit 3084a4ec7f
1 changed files with 2 additions and 0 deletions
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2
tools/testing/selftests/vm/ksm_tests.c
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@ -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);