From: Andrzej Hajda <a.hajda@samsung.com>
Date: Tue, 2 Sep 2014 12:56:21 +0000 (+0200)
Subject: drm/exynos/ipp: add file checks for ioctls
X-Git-Tag: fixes-against-v3.18-rc2~73^2~20^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=18383cb92f0d19e76e0374e573067e627cab9c92;p=pandora-kernel.git

drm/exynos/ipp: add file checks for ioctls

Process should not have access to ipp nodes created by another
process. The patch adds necessary checks.
It also simplifies lookup for command node.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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