powerpc: Use PTR_RET instead of IS_ERR/PTR_ERR

Signed-off-by: Adrian-Leonard Radu <ady8radu@gmail.com>
Acked-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>

arch/powerpc/platforms/ps3/time.c

@@ -89,10 +89,8 @@ static int __init ps3_rtc_init(void)
 		return -ENODEV;
 
 	pdev = platform_device_register_simple("rtc-ps3", -1, NULL, 0);
-	if (IS_ERR(pdev))
-		return PTR_ERR(pdev);
 
-	return 0;
+	return PTR_RET(pdev);
 }
 
 module_init(ps3_rtc_init);