Index: uspace/drv/vhc/connhost.c
===================================================================
--- uspace/drv/vhc/connhost.c	(revision 947d78839aee48678e3102bf15a647260383d50d)
+++ uspace/drv/vhc/connhost.c	(revision 818dc001e1775bf0bf356f9911600e641fa43e5a)
@@ -58,5 +58,5 @@
 		case USB_DIRECTION_IN:
 			transfer->in_callback(transfer->dev,
-			    size, outcome,
+			    outcome, size,
 			    transfer->arg);
 			break;