diff options
| -rw-r--r-- | hw/usb/xen-usb.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/hw/usb/xen-usb.c b/hw/usb/xen-usb.c index 5b2e21e..f5d5c91 100644 --- a/hw/usb/xen-usb.c +++ b/hw/usb/xen-usb.c @@ -860,10 +860,14 @@ static int usbback_connect(struct XenDevice *xendev) struct usbif_conn_sring *conn_sring; int urb_ring_ref; int conn_ring_ref; - unsigned int i; + unsigned int i, max_grants; TR_BUS(xendev, "start\n"); + /* max_grants: for each request and for the rings (request and connect). */ + max_grants = USBIF_MAX_SEGMENTS_PER_REQUEST * USB_URB_RING_SIZE + 2; + xen_be_set_max_grant_refs(xendev, max_grants); + usbif = container_of(xendev, struct usbback_info, xendev); if (xenstore_read_fe_int(xendev, "urb-ring-ref", &urb_ring_ref)) { @@ -1005,7 +1009,7 @@ static void usbback_alloc(struct XenDevice *xendev) { struct usbback_info *usbif; USBPort *p; - unsigned int i, max_grants; + unsigned int i; usbif = container_of(xendev, struct usbback_info, xendev); @@ -1021,10 +1025,6 @@ static void usbback_alloc(struct XenDevice *xendev) QTAILQ_INIT(&usbif->req_free_q); QSIMPLEQ_INIT(&usbif->hotplug_q); usbif->bh = qemu_bh_new(usbback_bh, usbif); - - /* max_grants: for each request and for the rings (request and connect). */ - max_grants = USBIF_MAX_SEGMENTS_PER_REQUEST * USB_URB_RING_SIZE + 2; - xen_be_set_max_grant_refs(xendev, max_grants); } static int usbback_free(struct XenDevice *xendev) |