diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index c28444af0919..9f9134b67e40 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -378,6 +378,7 @@ __s390_process_res_acc(struct subchannel_id schid, void *data)
 
 	if (chp_mask == 0) {
 		spin_unlock_irq(&sch->lock);
+		put_device(&sch->dev);
 		return 0;
 	}
 	old_lpm = sch->lpm;
@@ -392,7 +393,7 @@ __s390_process_res_acc(struct subchannel_id schid, void *data)
 
 	spin_unlock_irq(&sch->lock);
 	put_device(&sch->dev);
-	return (res_data->fla_mask == 0xffff) ? -ENODEV : 0;
+	return 0;
 }