Commit 3084a4ec authored by Ding Xiang's avatar Ding Xiang Committed by Shuah Khan
Browse files

selftests: vm: Fix resource leak when return error 



When return on an error path, file handle need to be closed
to prevent resource leak

Signed-off-by: default avatarDing Xiang <dingxiang@cmss.chinamobile.com>
Reviewed-by: default avatarShuah Khan <skhan@linuxfoundation.org>
Signed-off-by: default avatarShuah Khan <skhan@linuxfoundation.org>
parent 12a29115

tools/testing/selftests/vm/ksm_tests.c

+2 −0
Original line number Diff line number Diff line
@@ -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);