1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 742cbe6b042b..f0106875f01d 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -226,7 +226,7 @@ static int __device_attach(struct device_driver *drv, void *data)
  * pair is found, break out and return.
  *
  * Returns 1 if the device was bound to a driver;
- * 0 if no matching device was found;
+ * 0 if no matching driver was found;
  * -ENODEV if the device is not registered.
  *
  * When called for a USB interface, @dev->parent->sem must be held.
@@ -320,6 +320,10 @@ static void __device_release_driver(struct device *dev)
                 devres_release_all(dev);
                 dev->driver = NULL;
                 klist_remove(&dev->p->knode_driver);
+                if (dev->bus)
+                        blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
+                                                     BUS_NOTIFY_UNBOUND_DRIVER,
+                                                     dev);
         }
 }