diff options
| author | Johan Hovold <jhovold@gmail.com> | 2014-05-26 19:23:47 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-27 15:04:09 -0700 |
| commit | 89e54e4468338df5a4ab7627c5b8b10786ee43e8 (patch) | |
| tree | 70db106047c274db709be3c8784c4e1cc13232e1 /drivers/usb/class/cdc-acm.c | |
| parent | bbf0cb3e93a1b6ef8bf22a67f35d7c98ef378f2b (diff) | |
USB: cdc-acm: remove redundant disconnected test from shutdown
Remove redundant disconnect test from shutdown(), which is never called
post disconnect() where we do synchronous hangup.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 41 |
1 files changed, 19 insertions, 22 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index bc7a2a6fc4ac..91fdc293196f 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -594,30 +594,27 @@ static void acm_port_shutdown(struct tty_port *port) dev_dbg(&acm->control->dev, "%s\n", __func__); - mutex_lock(&acm->mutex); - if (!acm->disconnected) { - pm_err = usb_autopm_get_interface(acm->control); - acm_set_control(acm, acm->ctrlout = 0); - - for (;;) { - urb = usb_get_from_anchor(&acm->delayed); - if (!urb) - break; - wb = urb->context; - wb->use = 0; - usb_autopm_put_interface_async(acm->control); - } + pm_err = usb_autopm_get_interface(acm->control); + acm_set_control(acm, acm->ctrlout = 0); - usb_kill_urb(acm->ctrlurb); - for (i = 0; i < ACM_NW; i++) - usb_kill_urb(acm->wb[i].urb); - for (i = 0; i < acm->rx_buflimit; i++) - usb_kill_urb(acm->read_urbs[i]); - acm->control->needs_remote_wakeup = 0; - if (!pm_err) - usb_autopm_put_interface(acm->control); + for (;;) { + urb = usb_get_from_anchor(&acm->delayed); + if (!urb) + break; + wb = urb->context; + wb->use = 0; + usb_autopm_put_interface_async(acm->control); } - mutex_unlock(&acm->mutex); + + usb_kill_urb(acm->ctrlurb); + for (i = 0; i < ACM_NW; i++) + usb_kill_urb(acm->wb[i].urb); + for (i = 0; i < acm->rx_buflimit; i++) + usb_kill_urb(acm->read_urbs[i]); + + acm->control->needs_remote_wakeup = 0; + if (!pm_err) + usb_autopm_put_interface(acm->control); } static void acm_tty_cleanup(struct tty_struct *tty) |