From: Johannes Weiner <hannes@saeurebad.de>
Date: Fri, 13 Jun 2008 05:04:40 +0000 (+1000)
Subject: drm: use drms ioctl cmd not what we get passed from userspace.
X-Git-Tag: v2.6.26-rc7~4^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=41ee2ff404ec76194315aeed57ac973b010abe1d;p=pandora-kernel.git

drm: use drms ioctl cmd not what we get passed from userspace.

This enforces us to use the drm ioctl types so read/write works correctly and not believe
what userspace tells us.

It does this hopefully without breaking the drm api.

Fixes bug from thread: BUG: unable to handle kernel NULL pointer dereference (drm_getunique)

Signed-off-by: Dave Airlie <airlied@redhat.com>
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