From: Felipe Balbi <balbi@ti.com>
Date: Mon, 13 Oct 2014 20:30:52 +0000 (-0500)
Subject: usb: gadget: loopback: don't queue requests to bogus endpoints
X-Git-Tag: omap-for-v3.19/fixes-not-urgent-part1~17^2~2^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e0857ce58e8658657f5f12fe25272b93cfeb16aa;p=pandora-kernel.git

usb: gadget: loopback: don't queue requests to bogus endpoints

A request allocated from e.g. ep1out cannot
be queued to any other endpoint. This bug has
been in f_loopback at least since mid-2011 and
since nobody has really screamed about it, we're
not backporting to any stable kernels.

Debugged with MUSB since that's the only controller
which complains about this case.

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