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usb: Enforce iso endpoints never returing USB_RET_ASYNC

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ehci was already testing for this, and we depend in various places
on no devices doing this, so lets move the check for this to the
usb core.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Hans de Goede 2012-10-24 18:31:04 +02:00 • committed by Gerd Hoffmann
parent a6fb2ddb14
commit aaac74343d
2 changed files with 1 additions and 1 deletions
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1
hw/usb/core.c
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@ -391,6 +391,7 @@ int usb_handle_packet(USBDevice *dev, USBPacket *p)
if (QTAILQ_EMPTY(&p->ep->queue) || p->ep->pipeline) {
ret = usb_process_one(p);
if (ret == USB_RET_ASYNC) {
assert(p->ep->type != USB_ENDPOINT_XFER_ISOC);
usb_packet_set_state(p, USB_PACKET_ASYNC);
QTAILQ_INSERT_TAIL(&p->ep->queue, p, queue);
} else if (ret == USB_RET_ADD_TO_QUEUE) {