From 73359cef4fcc322c96019b2a5c1e99b08f3bbb57 Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Mon, 13 Oct 2014 15:36:16 -0500
Subject: [PATCH] usb: dwc3: gadget: WARN() on bogus usb_ep_queue()

Some gadget/function drivers might want to do
improper request recycling by allocating a single
request from one particular endpoint and queueing
it to another completely unrelated endpoint.

One such case was found with f_loopback.c.

To prevent such cases from happening again, let's
WARN() so we get a loud enough failure and persuade
users to report errors.

Signed-off-by: Felipe Balbi <balbi@ti.com>
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