2011/3/23 Thomas Renninger <tr...@suse.de>:
> 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 <tr...@suse.de>
> CC: alexander.deuc...@amd.com
> CC: dri-devel@lists.freedesktop.org
>
> ---
> drivers/gpu/drm/radeon/radeon_pm.c | 8 +++++---
> 1 files changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_pm.c
> b/drivers/gpu/drm/radeon/radeon_pm.c
> index 2aed03b..08de669 100644
> --- a/drivers/gpu/drm/radeon/radeon_pm.c
> +++ b/drivers/gpu/drm/radeon/radeon_pm.c
> @@ -365,12 +365,14 @@ static ssize_t radeon_set_pm_profile(struct device *dev,
> else if (strncmp("high", buf, strlen("high")) == 0)
> rdev->pm.profile = PM_PROFILE_HIGH;
> else {
> - DRM_ERROR("invalid power profile!\n");
> + count = -EINVAL;
I think this does not match kernel coding style (braces).
--
Rafał
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