drm: Fix use-after-free in the shadow-attache exit code

This regression has been introduced in

commit b3f2333de8
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Wed Dec 11 11:34:31 2013 +0100

    drm: restrict the device list for shadow attached drivers

Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Daniel Vetter 2014-01-30 17:58:38 +01:00 committed by Dave Airlie
parent 218212722f
commit 27410e8248

View File

@ -468,8 +468,8 @@ void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver)
} else {
list_for_each_entry_safe(dev, tmp, &driver->legacy_dev_list,
legacy_dev_list) {
drm_put_dev(dev);
list_del(&dev->legacy_dev_list);
drm_put_dev(dev);
}
}
DRM_INFO("Module unloaded\n");