Commit 22ae47e6 authored May 29, 2015 by Mathias Nyman Committed by Greg Kroah-Hartman May 31, 2015

xhci: Return correct number of tranferred bytes for stalled control endpoints

Fix the xhci driver from bluntly setting the transferred length to 0 if
we get a STALL on anything else than the data stage of a control transfer.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 41485a90

drivers/usb/host/xhci-ring.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1934,7 +1934,7 @@ static int process_ctrl_td(struct xhci_hcd xhci, struct xhci_td td,
		td->urb->actual_length =
		td->urb->transfer_buffer_length -
		EVENT_TRB_LEN(le32_to_cpu(event->transfer_len));
		else
		else if (!td->urb_length_set)
		td->urb->actual_length = 0;

		return finish_td(xhci, td, event_trb, event, ep, status, false);