FAILED: patch "[PATCH] usb: dwc3: gadget: Don't clear flags before transfer ended" failed to apply to 4.19-stable tree

The patch below does not apply to the 4.19-stable tree.
If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From a114c4ca64bd522aec1790c7e5c60c882f699d8f Mon Sep 17 00:00:00 2001
From: Thinh Nguyen <[email protected]>
Date: Thu, 5 Mar 2020 13:23:49 -0800
Subject: [PATCH] usb: dwc3: gadget: Don't clear flags before transfer ended

We track END_TRANSFER command completion. Don't clear transfer started/ended flag prematurely. Otherwise, we'd run into the problem with restarting transfer before END_TRANSFER command finishes.

index 1e00bf2d65a2..b032e62fff0f 100644
@@ -2570,10 +2570,8 @@ static void dwc3_gadget_endpoint_transfer_in_progress(struct dwc3_ep *dep,
 
 	dwc3_gadget_ep_cleanup_completed_requests(dep, event, status);
 
-	if (stop) {
+	if (stop)
 		dwc3_stop_active_transfer(dep, true, true);
-		dep->flags = DWC3_EP_ENABLED;
-	}
 
 	/*
 	 * WORKAROUND: This is the 2nd half of U1/U2 -> U0 workaround.