Re: [PATCH] drm/arc: make arcpgu_debugfs_init return 0

From: Daniel Vetter
Date: Tue Feb 18 2020 - 14:00:45 EST


On Tue, Feb 18, 2020 at 6:28 PM Wambui Karuga <wambui.karugax@xxxxxxxxx> wrote:
>
> As drm_debugfs_create_files should return void, remove its use as the
> return value of arcpgu_debugfs_init and have the latter function
> return 0 directly.
>
> Signed-off-by: Wambui Karuga <wambui.karugax@xxxxxxxxx>
> ---
> drivers/gpu/drm/arc/arcpgu_drv.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/arc/arcpgu_drv.c b/drivers/gpu/drm/arc/arcpgu_drv.c
> index d6a6692db0ac..660b25f9588e 100644
> --- a/drivers/gpu/drm/arc/arcpgu_drv.c
> +++ b/drivers/gpu/drm/arc/arcpgu_drv.c
> @@ -139,8 +139,10 @@ static struct drm_info_list arcpgu_debugfs_list[] = {
>
> static int arcpgu_debugfs_init(struct drm_minor *minor)
> {
> - return drm_debugfs_create_files(arcpgu_debugfs_list,
> - ARRAY_SIZE(arcpgu_debugfs_list), minor->debugfs_root, minor);
> + drm_debugfs_create_files(arcpgu_debugfs_list,
> + ARRAY_SIZE(arcpgu_debugfs_list),
> + minor->debugfs_root, minor);
> + return 0;

For cases like these I think we should go a step further and also
remove the return value from the driver wrapper. And that all the way
up until there's something that actually needs to return a value for
some other reason than debugfs.
-Daniel

> }
> #endif
>
> --
> 2.25.0
>


--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch