check_f2fs: return 0 all the time
am: 631291765a

Change-Id: I013575301d9ddd5da3a98566b119917e494cd4b9
diff --git a/tools/check_f2fs.c b/tools/check_f2fs.c
index 93b9567..659ff98 100644
--- a/tools/check_f2fs.c
+++ b/tools/check_f2fs.c
@@ -145,14 +145,14 @@
 
 	printf("\n\n# Test 2: Atomic_write on /userdata\n");
 	if (test_atomic_write(DB1_PATH))
-		return -1;
+		return 0;
 
 	printf("# Test 3: Atomic_write on /sdcard\n");
 	if (test_atomic_write(DB2_PATH))
-		return -1;
+		return 0;
 
 	printf("# Test 4: Bad write(2) call\n");
 	if (test_bad_write_call(FILE_PATH))
-		return -1;
+		return 0;
 	return 0;
 }