gma500: Fix leak of uncached page
authorAlan Cox <alan@linux.intel.com>
Wed, 25 Apr 2012 13:36:13 +0000 (14:36 +0100)
committerDave Airlie <airlied@redhat.com>
Fri, 27 Apr 2012 08:22:57 +0000 (09:22 +0100)
This was reported a long time ago (and I apologize to whoever it was that
reported it as I've lost the original report).

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/gma500/psb_drv.c

index c34adf9d910ac11ab72986bfab539e203a7ae330..d5a6eab8227e43e9f0d992ea7d881db82658eace 100644 (file)
@@ -246,6 +246,7 @@ static int psb_driver_unload(struct drm_device *dev)
                }
                psb_gtt_takedown(dev);
                if (dev_priv->scratch_page) {
+                       set_pages_wb(dev_priv->scratch_page, 1);
                        __free_page(dev_priv->scratch_page);
                        dev_priv->scratch_page = NULL;
                }