From: Thomas Renninger <trenn@suse.de>
Date: Wed, 23 Mar 2011 15:14:09 +0000 (+0000)
Subject: drm radeon: Return -EINVAL on wrong pm sysfs access
X-Git-Tag: v2.6.39-rc1~79^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1783e4bf6f4e5c3b13c09aff24da7dcc69fb3e2f;p=pandora-kernel.git

drm radeon: Return -EINVAL on wrong pm sysfs access

Throw an error if someone tries to fill this with
wrong data, instead of simply ignoring the input.
Now you get:

echo hello >/sys/../power_method
-bash: echo: write error: Invalid argument

Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: Alexander.Deucher@amd.com
CC: dri-devel@lists.freedesktop.org
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

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