misc: enclosure: Remove unnecessary error check

It is not necessary to check return value of class_register.
enclosure_init returns both successful and error value.
Signed-off-by: NArvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/enclosure.c

@@ -680,13 +680,7 @@ ATTRIBUTE_GROUPS(enclosure_component);
 
 static int __init enclosure_init(void)
 {
-	int err;
-
-	err = class_register(&enclosure_class);
-	if (err)
-		return err;
-
-	return 0;
+	return class_register(&enclosure_class);
 }
 
 static void __exit enclosure_exit(void)