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USB: sierra: remove bogus disconnect test in close 

Remove bogus (and unnecessary) test for serial->dev being NULL in close.

The device is never cleared, and close is never called after a completed
disconnect anyway.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2013-03-21 12:36:36 +01:00 committed by Greg Kroah-Hartman
parent bb3529c6a0
commit 9c210bfa29
1 changed files with 17 additions and 22 deletions
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39
drivers/usb/serial/sierra.c
View File

@ -778,30 +778,25 @@ static void sierra_close(struct usb_serial_port *port)
portdata->rts_state = 0;
portdata->dtr_state = 0;
if (serial->dev) {
mutex_lock(&serial->disc_mutex);
if (!serial->disconnected) {
serial->interface->needs_remote_wakeup = 0;
/* odd error handling due to pm counters */
if (!usb_autopm_get_interface(serial->interface))
sierra_send_setup(port);
else
usb_autopm_get_interface_no_resume(serial->interface);
}
mutex_unlock(&serial->disc_mutex);
spin_lock_irq(&intfdata->susp_lock);
portdata->opened = 0;
spin_unlock_irq(&intfdata->susp_lock);
mutex_lock(&serial->disc_mutex);
if (!serial->disconnected) {
serial->interface->needs_remote_wakeup = 0;
/* odd error handling due to pm counters */
if (!usb_autopm_get_interface(serial->interface))
sierra_send_setup(port);
else
usb_autopm_get_interface_no_resume(serial->interface);
}
mutex_unlock(&serial->disc_mutex);
spin_lock_irq(&intfdata->susp_lock);
portdata->opened = 0;
spin_unlock_irq(&intfdata->susp_lock);
/* Stop reading urbs */
sierra_stop_rx_urbs(port);
/* .. and release them */
for (i = 0; i < portdata->num_in_urbs; i++) {
sierra_release_urb(portdata->in_urbs[i]);
portdata->in_urbs[i] = NULL;
}
sierra_stop_rx_urbs(port);
for (i = 0; i < portdata->num_in_urbs; i++) {
sierra_release_urb(portdata->in_urbs[i]);
portdata->in_urbs[i] = NULL;
}
}