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(parent: fafcf94) | patch
drm radeon: Return -EINVAL on wrong pm sysfs access
authorThomas Renninger <trenn@suse.de>
Wed, 23 Mar 2011 15:14:09 +0000 (15:14 +0000)
committerDave Airlie <airlied@redhat.com>
Thu, 24 Mar 2011 10:24:49 +0000 (20:24 +1000)
commit1783e4bf6f4e5c3b13c09aff24da7dcc69fb3e2f
tree8847ef1145d3a766e15fc8d4b5918b09eed60196tree | snapshot
parentfafcf94e2b5732d1e13b440291c53115d2b172e9commit | diff
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>
drivers/gpu/drm/radeon/radeon_pm.c diff | blob | history
Domain: System / Kernel;