[PATCH] drm/vmwgfx: Propagate error on failed ioctl

[Javier Martinez Canillas]

Hello Philipp,

On 3/13/22 06:06, Philipp Sieweck wrote:
> The cases of vmw_user_bo_synccpu_grab failing with -ERESTARTSYS or -EBUSY
> are handled in vmw_user_bo_synccpu_ioctl by not printing an error message.
> However, the error value gets discarded, indicating success. This leads
> to rendering glitches and a reported drm error on the next ioctl call to
> release the handle.
> 
> This patch propagates the error value from vmw_user_synccpu_grab.
> 
> Signed-off-by: Philipp Sieweck <psi at informatik.uni-kiel.de>
> ---
>  drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 2 ++
>  1 file changed, 2 insertions(+)
>

Patch looks good to me.
 
Reviewed-by: Javier Martinez Canillas <javierm at redhat.com>

-- 
Best regards,

Javier Martinez Canillas
Linux Engineering
Red Hat