drivers: platform: x86: Use PTR_RET function

Used PTR_RET function instead of IS_ERR and PTR_ERR.
Patch found using coccinelle.
Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@gmail.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>

drivers/platform/x86/samsung-q10.c

@@ -176,10 +176,7 @@ static int __init samsungq10_init(void)
 						   samsungq10_probe,
 						   NULL, 0, NULL, 0);
 
-	if (IS_ERR(samsungq10_device))
-		return PTR_ERR(samsungq10_device);
-
-	return 0;
+	return PTR_RET(samsungq10_device);
 }
 
 static void __exit samsungq10_exit(void)