From 3480130a502a528373f98fb852d2b3fc5f73e58b Mon Sep 17 00:00:00 2001
From: Alexey Klimov <klimov.linux@gmail.com>
Date: Wed, 19 Nov 2008 00:36:29 -0300
Subject: [PATCH] V4L/DVB (9655): radio-mr800: fix unplug

This patch fixes problems(kernel oopses) with unplug of device while
it's working.
Patch adds disconnect_lock mutex, changes usb_amradio_close and
usb_amradio_disconnect functions and adds a lot of safety checks.

Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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