From aaac74343d761947e57a1b0cbaa7f2dd0c6a40ca Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Wed, 24 Oct 2012 18:31:04 +0200 Subject: usb: Enforce iso endpoints never returing USB_RET_ASYNC 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 Signed-off-by: Gerd Hoffmann --- hw/usb/core.c | 1 + 1 file changed, 1 insertion(+) (limited to 'hw/usb/core.c') diff --git a/hw/usb/core.c b/hw/usb/core.c index 87a513fa7e..632a8efe47 100644 --- a/hw/usb/core.c +++ b/hw/usb/core.c @@ -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) { -- cgit v1.2.1