Commit ea0d7627 authored by Thinh Nguyen's avatar Thinh Nguyen Committed by Greg Kroah-Hartman
Browse files

usb: dwc3: gadget: Fix request complete check 



We can only check for IN direction if the request had completed. For OUT
direction, it's perfectly fine that the host can send less than the
setup length. Let's return true fall all cases of OUT direction.

Fixes: e0c42ce5 ("usb: dwc3: gadget: simplify IOC handling")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarThinh Nguyen <thinhn@synopsys.com>
Link: https://lore.kernel.org/r/ac5a3593a94fdaa3d92e6352356b5f7a01ccdc7c.1576291140.git.thinhn@synopsys.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c80d0f44

drivers/usb/dwc3/gadget.c

+7 −0
Original line number Diff line number Diff line
@@ -2467,6 +2467,13 @@ static int dwc3_gadget_ep_reclaim_trb_linear(struct dwc3_ep *dep, 


static bool dwc3_gadget_ep_request_completed(struct dwc3_request *req)

{

	/*

	 * For OUT direction, host may send less than the setup

	 * length. Return true for all OUT requests.

	 */

	if (!req->direction)

		return true;



	return req->request.actual == req->request.length;

}