diff options
| author | David Vrabel <david.vrabel@csr.com> | 2009-04-08 19:36:33 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-04-17 19:50:28 +0200 |
| commit | 8db324ec4322a15cf8819b8a7f0eff5aa98b2ff6 (patch) | |
| tree | 9e42bb8c488576828566c1857687ac4b569a8cd1 /drivers/usb | |
| parent | USB: whci-hcd: check return value of usb_hcd_link_urb_to_ep() (diff) | |
| download | linux-8db324ec4322a15cf8819b8a7f0eff5aa98b2ff6.tar.xz linux-8db324ec4322a15cf8819b8a7f0eff5aa98b2ff6.zip | |
WUSB: disconnect all devices when stopping a WUSB HCD
Make sure all WUSB devices are disconnected when stopping a WUSB HCD so
that we don't leak the devices' wusb_dev structures.
Signed-off-by: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/wusbcore/devconnect.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/usb/wusbcore/devconnect.c b/drivers/usb/wusbcore/devconnect.c index 386eaa22d215..63f200e4efb1 100644 --- a/drivers/usb/wusbcore/devconnect.c +++ b/drivers/usb/wusbcore/devconnect.c @@ -396,7 +396,8 @@ static void __wusbhc_dev_disconnect(struct wusbhc *wusbhc, /* After a device disconnects, change the GTK (see [WUSB] * section 6.2.11.2). */ - wusbhc_gtk_rekey(wusbhc); + if (wusbhc->active) + wusbhc_gtk_rekey(wusbhc); /* The Wireless USB part has forgotten about the device already; now * khubd's timer will pick up the disconnection and remove the USB @@ -1084,15 +1085,21 @@ error_mmcie_set: * wusbhc_devconnect_stop - stop managing connected devices * @wusbhc: the WUSB HC * - * Removes the Host Info IE and stops the keep alives. - * - * FIXME: should this disconnect all devices? + * Disconnects any devices still connected, stops the keep alives and + * removes the Host Info IE. */ void wusbhc_devconnect_stop(struct wusbhc *wusbhc) { - cancel_delayed_work_sync(&wusbhc->keep_alive_timer); - WARN_ON(!list_empty(&wusbhc->cack_list)); + int i; + mutex_lock(&wusbhc->mutex); + for (i = 0; i < wusbhc->ports_max; i++) { + if (wusbhc->port[i].wusb_dev) + __wusbhc_dev_disconnect(wusbhc, &wusbhc->port[i]); + } + mutex_unlock(&wusbhc->mutex); + + cancel_delayed_work_sync(&wusbhc->keep_alive_timer); wusbhc_mmcie_rm(wusbhc, &wusbhc->wuie_host_info->hdr); kfree(wusbhc->wuie_host_info); wusbhc->wuie_host_info = NULL; |