[PATCH v2 2/2] drm/i915: Object w/o backing stroage is banned by -ENXIO

[Joonas Lahtinen]

Hi Tina,

Please send this patch alone (or in the beginning of your series), so it can be merged already.

That'll save you the effort of carrying this patch.

Regards, Joonas

On Wed, 2017-11-01 at 17:22 +0800, Tina Zhang wrote:
> -ENXIO should be returned when operations are banned from changing
> backing storage of objects without backing storage.
> 
> v2:
> - update the patch description and subject to just mention objects w/o
>   backing storage, instead of "GEM proxy". (Joonas)
> 
> Signed-off-by: Tina Zhang <tina.zhang at intel.com>
> Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/i915_gem.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
> index 13bc18d..e85721c 100644
> --- a/drivers/gpu/drm/i915/i915_gem.c
> +++ b/drivers/gpu/drm/i915/i915_gem.c
> @@ -1713,7 +1713,7 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
>  	 */
>  	if (!obj->base.filp) {
>  		i915_gem_object_put(obj);
> -		return -EINVAL;
> +		return -ENXIO;
>  	}
>  
>  	addr = vm_mmap(obj->base.filp, 0, args->size,
-- 
Joonas Lahtinen
Open Source Technology Center
Intel Corporation