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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: e0c42ce590 ("usb: dwc3: gadget: simplify IOC handling")
Cc: stable@vger.kernel.org
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Link: https://lore.kernel.org/r/ac5a3593a94fdaa3d92e6352356b5f7a01ccdc7c.1576291140.git.thinhn@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thinh Nguyen 2019-12-13 18:40:45 -08:00 committed by Greg Kroah-Hartman
parent c80d0f4426
commit ea0d762775
1 changed files with 7 additions and 0 deletions
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7
drivers/usb/dwc3/gadget.c
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@ -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;
}