From 40265bbe42933920684136ff759e6340eaf72774 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hans.verkuil@cisco.com>
Date: Tue, 10 Jun 2014 07:07:38 -0300
Subject: [PATCH] [media] v4l2-ctrl: fix error return of copy_to/from_user

copy_to/from_user returns the number of bytes not copied, it does not
return a 'normal' linux error code.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Reading git-format-patch failed