From 47677e51e2a4040c204d7971a5103592600185b1 Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <m.chehab@samsung.com>
Date: Wed, 5 Mar 2014 11:21:07 -0300
Subject: [PATCH] [media] em28xx: Only deallocate struct em28xx after finishing
 all extensions
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We can't free struct em28xx while one of the extensions is still
using it.

So, add a kref() to control it, freeing it only after the
extensions fini calls.

Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Reading git-format-patch failed