Commit db8f2aa3 authored by Bjorn Helgaas's avatar Bjorn Helgaas Committed by Greg Kroah-Hartman
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USB: correct the usb_disconnect() comment about usb_bus_list_lock 



usb_disconnect() no longer acquires usb_bus_list_lock, so update its
comment to that effect.

Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Signed-off-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 232275a0

drivers/usb/core/hub.c

+2 −2
Original line number Diff line number Diff line
@@ -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.