Hi Tomi,

Thank you for the patch.

On Monday, 12 February 2018 11:44:31 EET Tomi Valkeinen wrote:
> If we have no crtcs/connectors, fbdev init goes fine, but
> omap_fbdev_create() is never called. This means that omap_fbdev->bo is
> NULL and omap_fbdev_free() crashes.
> 
> Add a check to omap_fbdev_free() to handle the NULL case.
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkei...@ti.com>

I wonder whether we shouldn't fail probe if we have no CRTC or connector, but 
regardless of that, this change looks good to me.

Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>

> ---
>  drivers/gpu/drm/omapdrm/omap_fbdev.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/omap_fbdev.c
> b/drivers/gpu/drm/omapdrm/omap_fbdev.c index 1ace63e2ff22..632ebcf2165f
> 100644
> --- a/drivers/gpu/drm/omapdrm/omap_fbdev.c
> +++ b/drivers/gpu/drm/omapdrm/omap_fbdev.c
> @@ -303,7 +303,8 @@ void omap_fbdev_free(struct drm_device *dev)
>       fbdev = to_omap_fbdev(priv->fbdev);
> 
>       /* unpin the GEM object pinned in omap_fbdev_create() */
> -     omap_gem_unpin(fbdev->bo);
> +     if (fbdev->bo)
> +             omap_gem_unpin(fbdev->bo);
> 
>       /* this will free the backing object */
>       if (fbdev->fb)

-- 
Regards,

Laurent Pinchart

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

Reply via email to