Commit 1828fe6c authored by Dave Airlie's avatar Dave Airlie

drm/sysfs: protect sysfs removal code against being run twice.

a step towards correct hot unplug for USB devices, we need to
remove the userspace facing bits at the unplug time for correct
udev operation.
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent ce880cb8
......@@ -454,6 +454,8 @@ void drm_sysfs_connector_remove(struct drm_connector *connector)
{
int i;
if (!connector->kdev.parent)
return;
DRM_DEBUG("removing \"%s\" from sysfs\n",
drm_get_connector_name(connector));
......@@ -461,6 +463,7 @@ void drm_sysfs_connector_remove(struct drm_connector *connector)
device_remove_file(&connector->kdev, &connector_attrs[i]);
sysfs_remove_bin_file(&connector->kdev.kobj, &edid_attr);
device_unregister(&connector->kdev);
connector->kdev.parent = NULL;
}
EXPORT_SYMBOL(drm_sysfs_connector_remove);
......@@ -533,7 +536,9 @@ int drm_sysfs_device_add(struct drm_minor *minor)
*/
void drm_sysfs_device_remove(struct drm_minor *minor)
{
if (minor->kdev.parent)
device_unregister(&minor->kdev);
minor->kdev.parent = NULL;
}
......
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