From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Fri, 22 Feb 2013 14:12:51 +0000 (+0200)
Subject: drm/i915: Add to_user_ptr()
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~55^2~60^2~58
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2bb4629add2e648f1822872cce72f0fe163ce605;p=pandora-kernel.git

drm/i915: Add to_user_ptr()

to_user_ptr() simply casts a pointer passed as u64 from user space
to void __user * correctly. Using this lets us get rid of all the
tiresome casts.

The idea came from Chris Wilson <chris@chris-wilson.co.uk>.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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