From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu, 10 Oct 2013 12:46:37 +0000 (+0200)
Subject: drm/i915: Use unsigned long for obj->user_pin_count
X-Git-Tag: v3.13-rc1~76^2~68^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aa5f8021811aede2e40aa715c55fbd87d945a443;p=pandora-kernel.git

drm/i915: Use unsigned long for obj->user_pin_count

At least on linux sizeof(long) == sizeof(void*) and the thinking
is that you can grab about as many references as there's memory.

Doesn't really matter, just a bit of OCD since the fixed size data
type in a pure in-kernel datastructure look off.

v2: Ville asked for an overflow check since no one prevents userspace
from incrementing the pin count forever.

v3: s/INT/LONG/, noticed by Chris.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-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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