scsi: fcoe: Simplify the return expression of fcoe_sysfs_setup()

Simplify the return expression.

Link: https://lore.kernel.org/r/20200921131102.93084-1-miaoqinglang@huawei.comSigned-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/fcoe/fcoe_sysfs.c

@@ -1053,16 +1053,10 @@ EXPORT_SYMBOL_GPL(fcoe_fcf_device_add);
 
 int __init fcoe_sysfs_setup(void)
 {
-	int error;
-
 	atomic_set(&ctlr_num, 0);
 	atomic_set(&fcf_num, 0);
 
-	error = bus_register(&fcoe_bus_type);
-	if (error)
-		return error;
-
-	return 0;
+	return bus_register(&fcoe_bus_type);
 }
 
 void __exit fcoe_sysfs_teardown(void)