Index: xen-3.3.0-testing/tools/blktap/drivers/blktapctrl.c
===================================================================
--- xen-3.3.0-testing.orig/tools/blktap/drivers/blktapctrl.c
+++ xen-3.3.0-testing/tools/blktap/drivers/blktapctrl.c
@@ -127,7 +127,7 @@ static int get_new_dev(int *major, int *
 	char *devname;
 	
 	tr.domid = blkif->domid;
-        tr.busid = blkif->be_id;
+        tr.busid = (unsigned short) blkif->be_id;
 	ret = ioctl(ctlfd, BLKTAP_IOCTL_NEWINTF, tr );
 	
 	if ( (ret <= 0)||(ret > MAX_TAP_DEV) ) {
Index: xen-3.3.0-testing/tools/blktap/lib/blktaplib.h
===================================================================
--- xen-3.3.0-testing.orig/tools/blktap/lib/blktaplib.h
+++ xen-3.3.0-testing/tools/blktap/lib/blktaplib.h
@@ -161,7 +161,7 @@ typedef struct tapdev_info {
 
 typedef struct domid_translate {
 	unsigned short domid;
-	uint32_t busid;
+	unsigned short busid;
 } domid_translate_t ;
 
 typedef struct image {