[media] lmedm04: Fix usb_submit_urb BOGUS urb xfer, pipe 1 != type 3 in interrupt urb
A quirk of some older firmwares that report endpoint pipe type as PIPE_BULK but the endpoint otheriwse functions as interrupt. Check if usb_endpoint_type is USB_ENDPOINT_XFER_BULK and set as usb_rcvbulkpipe. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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@ -354,6 +354,7 @@ static int lme2510_int_read(struct dvb_usb_adapter *adap)
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{
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struct dvb_usb_device *d = adap_to_d(adap);
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struct lme2510_state *lme_int = adap_to_priv(adap);
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struct usb_host_endpoint *ep;
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lme_int->lme_urb = usb_alloc_urb(0, GFP_ATOMIC);
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@ -375,6 +376,12 @@ static int lme2510_int_read(struct dvb_usb_adapter *adap)
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adap,
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8);
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/* Quirk of pipe reporting PIPE_BULK but behaves as interrupt */
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ep = usb_pipe_endpoint(d->udev, lme_int->lme_urb->pipe);
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if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK)
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lme_int->lme_urb->pipe = usb_rcvbulkpipe(d->udev, 0xa),
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lme_int->lme_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
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usb_submit_urb(lme_int->lme_urb, GFP_ATOMIC);
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