Re: [PATCH 1/2] staging/vboxvideo: don't set dev_priv_size = 0

From: Sam Ravnborg
Date: Mon Feb 04 2019 - 13:49:18 EST


Hi Daniel

On Mon, Feb 04, 2019 at 11:31:13AM +0100, Daniel Vetter wrote:
> The compiler already clears this for us.
>
> More important, someone might look what this is actually used for,
> and freak out about the dragon staring back at them.
>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Cc: Nicholas Mc Guire <der.herr@xxxxxxx>
> Cc: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>
> Cc: Fabio Rafael da Rosa <fdr@xxxxxxxxx>
> ---
> drivers/staging/vboxvideo/vbox_drv.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/staging/vboxvideo/vbox_drv.c b/drivers/staging/vboxvideo/vbox_drv.c
> index b0d73d5fba5d..43c3d0a4fa1a 100644
> --- a/drivers/staging/vboxvideo/vbox_drv.c
> +++ b/drivers/staging/vboxvideo/vbox_drv.c
> @@ -222,7 +222,6 @@ static void vbox_master_drop(struct drm_device *dev, struct drm_file *file_priv)
> static struct drm_driver driver = {
> .driver_features =
> DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME | DRIVER_ATOMIC,
> - .dev_priv_size = 0,
>
> .lastclose = drm_fb_helper_lastclose,
> .master_set = vbox_master_set,

I have stared at the file for a long time and so far no dragon
was staring back at me. There was a few "#ifdef" that screamed
at me, and a drm_fb_helper_fbdev_setup() that looked
suspicious alas no dragon :-(

As for the change above, dragon or no dragon:
Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx>

Sam