drm/omap: fix omap_fbdev_free() when omap_fbdev_create() wasn't called

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.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 2 insertions, 1 deletions

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)