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>
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index bc7a2a6..91fdc29 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -594,30 +594,27 @@
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);
+ 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);
- }
-
- 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)