On 10/18/23 21:17, Gurchetan Singh wrote:
> +             case VIRTGPU_CONTEXT_PARAM_DEBUG_NAME:
> +                     if (vfpriv->explicit_debug_name) {
> +                             ret = -EINVAL;
> +                             goto out_unlock;
> +                     }
> +
> +                     ret = strncpy_from_user(vfpriv->debug_name,
> +                                             u64_to_user_ptr(value),
> +                                             DEBUG_NAME_MAX_LEN - 1);
> +
> +                     if (ret < 0) {
> +                             ret = -EFAULT;
> +                             goto out_unlock;
> +                     }
> +
> +                     vfpriv->explicit_debug_name = true;
> +                     break;

Spotted a problem here. The ret needs to be set to zero on success. I'll
send the fix shortly. Gurchetan you should've been getting the
DRM_IOCTL_VIRTGPU_CONTEXT_INIT failure from gfxstream when you tested
this patch, haven't you?

Also noticed that the patch title says "drm/uapi" instead of
"drm/virtio". My bad for not noticing it earlier. Please be more careful
next time too :)

-- 
Best regards,
Dmitry

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