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| author | Bjorn Helgaas <bhelgaas@google.com> | 2013-09-13 13:57:34 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-26 09:45:40 -0700 |
| commit | db8f2aa358958fe5f82e5b9ffa6e0abbaa4fc236 (patch) | |
| tree | 13df0954a395a84896e93e70eb2aa83c1a30afad | |
| parent | 232275a089dfd2e77377a85f11d0a4e3ca60e612 (diff) | |
| download | linux-db8f2aa358958fe5f82e5b9ffa6e0abbaa4fc236.tar.bz2 | |
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: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/core/hub.c | 4 |
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. |