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-rw-r--r--drivers/usb/core/devio.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index e6a6d67c8705..09c8d9ca61ae 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1709,11 +1709,17 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
as->urb->start_frame = uurb->start_frame;
as->urb->number_of_packets = number_of_packets;
as->urb->stream_id = stream_id;
- if (uurb->type == USBDEVFS_URB_TYPE_ISO ||
- ps->dev->speed == USB_SPEED_HIGH)
- as->urb->interval = 1 << min(15, ep->desc.bInterval - 1);
- else
- as->urb->interval = ep->desc.bInterval;
+
+ if (ep->desc.bInterval) {
+ if (uurb->type == USBDEVFS_URB_TYPE_ISO ||
+ ps->dev->speed == USB_SPEED_HIGH ||
+ ps->dev->speed >= USB_SPEED_SUPER)
+ as->urb->interval = 1 <<
+ min(15, ep->desc.bInterval - 1);
+ else
+ as->urb->interval = ep->desc.bInterval;
+ }
+
as->urb->context = as;
as->urb->complete = async_completed;
for (totlen = u = 0; u < number_of_packets; u++) {