Index: uspace/drv/uhci-hcd/uhci_struct/queue_head.h
===================================================================
--- uspace/drv/uhci-hcd/uhci_struct/queue_head.h	(revision 2b4dbd1c2915c503c46eb9967c9ad898c945f21c)
+++ uspace/drv/uhci-hcd/uhci_struct/queue_head.h	(revision 61bb85dd4ff71b2ca717857ec4fdcc77e375b007)
@@ -43,6 +43,6 @@
 
 typedef struct queue_head {
-	link_pointer_t next_queue;
-	link_pointer_t element;
+	volatile link_pointer_t next_queue;
+	volatile link_pointer_t element;
 } __attribute__((packed)) queue_head_t;