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-rw-r--r--drivers/usb/core/hub.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 6f783bfe2959..6d97cf7be048 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2023,8 +2023,8 @@ static void hub_free_dev(struct usb_device *udev)
* Something got disconnected. Get rid of it and all of its children.
*
* If *pdev is a normal device then the parent hub must already be locked.
- * If *pdev is a root hub then this routine will acquire the
- * usb_bus_list_lock on behalf of the caller.
+ * If *pdev is a root hub then the caller must hold the usb_bus_list_lock,
+ * which protects the set of root hubs as well as the list of buses.
*
* Only hub drivers (including virtual root hub drivers for host
* controllers) should ever call this.