Merge branch 'pci/endpoint/core'

- Fix configfs epf_group removal, which incorrectly did a list_del() on a
  list head, not a list entry (Damien Le Moal)

* pci/endpoint/core:
  PCI: endpoint: Fix configfs group removal on driver teardown
  PCI: endpoint: Fix configfs group list head handling

Author: bjorn-helgaas

drivers/pci/endpoint/pci-ep-cfs.c

@@ -691,6 +691,7 @@ void pci_ep_cfs_remove_epf_group(struct config_group *group)
 	if (IS_ERR_OR_NULL(group))
 		return;
 
+	list_del(&group->group_entry);
 	configfs_unregister_default_group(group);
 }
 EXPORT_SYMBOL(pci_ep_cfs_remove_epf_group);

drivers/pci/endpoint/pci-epf-core.c

@@ -338,7 +338,7 @@ static void pci_epf_remove_cfs(struct pci_epf_driver *driver)
 	mutex_lock(&pci_epf_mutex);
 	list_for_each_entry_safe(group, tmp, &driver->epf_group, group_entry)
 		pci_ep_cfs_remove_epf_group(group);
-	list_del(&driver->epf_group);
+	WARN_ON(!list_empty(&driver->epf_group));
 	mutex_unlock(&pci_epf_mutex);
 }