Commit 7a42d835 authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: dwc3: ep0: only change to ADDRESS if set_config() succeeds 



In case we're switching back to USB_STATE_ADDRESS
from USB_STATE_CONFIGURED (if host sends
a set configuration command for configuration
zero), we should only switch if the request
is successfully processed by the gadget driver.

Reported-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 5702f753

drivers/usb/dwc3/ep0.c

+1 −1
Original line number Diff line number Diff line
@@ -551,7 +551,7 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl) 


	case USB_STATE_CONFIGURED:

		ret = dwc3_ep0_delegate_req(dwc, ctrl);

		if (!cfg)

		if (!cfg && !ret)

			usb_gadget_set_state(&dwc->gadget,

					USB_STATE_ADDRESS);

		break;