[PATCH v2 2/2] drm: error out with EBUSY when device has existing master

[Adam Jackson]

On Thu, 2020-03-19 at 17:29 +0000, Emil Velikov wrote:
> From: Emil Velikov <emil.velikov at collabora.com>
> 
> As requested by Adam, provide different error message for when the
> device has an existing master. An audit of the following projects, shows
> that the errno is used only for printf() purposes.
> 
> xorg/xserver
> xorg/drivers/xf86-video-ati
> xorg/drivers/xf86-video-amdgpu
> xorg/drivers/xf86-video-intel
> xorg/drivers/xf86-video-tegra
> xorg/drivers/xf86-video-freedreno
> xorg/drivers/xf86-video-nouveau
> xorg/drivers/xf86-video-vmwgfx
> 
> qt/kwin/plasma
> gtk/mutter/gnomeshell
> efl/enlightment
> 
> Cc: Adam Jackson <ajax at redhat.com>
> Suggested-by: Adam Jackson <ajax at redhat.com>
> Signed-off-by: Emil Velikov <emil.velikov at collabora.com>

Delightful! Series is:

Reviewed-by: Adam Jackson <ajax at redhat.com>

- ajax