USB: digi_acceleport: remove bogus disconnect test in close
authorJohan Hovold <jhovold@gmail.com>
Thu, 21 Mar 2013 11:36:30 +0000 (12:36 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 25 Mar 2013 20:44:17 +0000 (13:44 -0700)
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>
drivers/usb/serial/digi_acceleport.c

index ebe45fa..76a8c20 100644 (file)
@@ -1149,53 +1149,51 @@ static void digi_close(struct usb_serial_port *port)
        if (port->serial->disconnected)
                goto exit;
 
-       if (port->serial->dev) {
-               /* FIXME: Transmit idle belongs in the wait_unti_sent path */
-               digi_transmit_idle(port, DIGI_CLOSE_TIMEOUT);
-
-               /* disable input flow control */
-               buf[0] = DIGI_CMD_SET_INPUT_FLOW_CONTROL;
-               buf[1] = priv->dp_port_num;
-               buf[2] = DIGI_DISABLE;
-               buf[3] = 0;
-
-               /* disable output flow control */
-               buf[4] = DIGI_CMD_SET_OUTPUT_FLOW_CONTROL;
-               buf[5] = priv->dp_port_num;
-               buf[6] = DIGI_DISABLE;
-               buf[7] = 0;
-
-               /* disable reading modem signals automatically */
-               buf[8] = DIGI_CMD_READ_INPUT_SIGNALS;
-               buf[9] = priv->dp_port_num;
-               buf[10] = DIGI_DISABLE;
-               buf[11] = 0;
-
-               /* disable receive */
-               buf[12] = DIGI_CMD_RECEIVE_ENABLE;
-               buf[13] = priv->dp_port_num;
-               buf[14] = DIGI_DISABLE;
-               buf[15] = 0;
-
-               /* flush fifos */
-               buf[16] = DIGI_CMD_IFLUSH_FIFO;
-               buf[17] = priv->dp_port_num;
-               buf[18] = DIGI_FLUSH_TX | DIGI_FLUSH_RX;
-               buf[19] = 0;
-
-               ret = digi_write_oob_command(port, buf, 20, 0);
-               if (ret != 0)
-                       dev_dbg(&port->dev, "digi_close: write oob failed, ret=%d\n", ret);
-
-               /* wait for final commands on oob port to complete */
-               prepare_to_wait(&priv->dp_flush_wait, &wait,
-                                                       TASK_INTERRUPTIBLE);
-               schedule_timeout(DIGI_CLOSE_TIMEOUT);
-               finish_wait(&priv->dp_flush_wait, &wait);
-
-               /* shutdown any outstanding bulk writes */
-               usb_kill_urb(port->write_urb);
-       }
+       /* FIXME: Transmit idle belongs in the wait_unti_sent path */
+       digi_transmit_idle(port, DIGI_CLOSE_TIMEOUT);
+
+       /* disable input flow control */
+       buf[0] = DIGI_CMD_SET_INPUT_FLOW_CONTROL;
+       buf[1] = priv->dp_port_num;
+       buf[2] = DIGI_DISABLE;
+       buf[3] = 0;
+
+       /* disable output flow control */
+       buf[4] = DIGI_CMD_SET_OUTPUT_FLOW_CONTROL;
+       buf[5] = priv->dp_port_num;
+       buf[6] = DIGI_DISABLE;
+       buf[7] = 0;
+
+       /* disable reading modem signals automatically */
+       buf[8] = DIGI_CMD_READ_INPUT_SIGNALS;
+       buf[9] = priv->dp_port_num;
+       buf[10] = DIGI_DISABLE;
+       buf[11] = 0;
+
+       /* disable receive */
+       buf[12] = DIGI_CMD_RECEIVE_ENABLE;
+       buf[13] = priv->dp_port_num;
+       buf[14] = DIGI_DISABLE;
+       buf[15] = 0;
+
+       /* flush fifos */
+       buf[16] = DIGI_CMD_IFLUSH_FIFO;
+       buf[17] = priv->dp_port_num;
+       buf[18] = DIGI_FLUSH_TX | DIGI_FLUSH_RX;
+       buf[19] = 0;
+
+       ret = digi_write_oob_command(port, buf, 20, 0);
+       if (ret != 0)
+               dev_dbg(&port->dev, "digi_close: write oob failed, ret=%d\n",
+                                                                       ret);
+       /* wait for final commands on oob port to complete */
+       prepare_to_wait(&priv->dp_flush_wait, &wait,
+                       TASK_INTERRUPTIBLE);
+       schedule_timeout(DIGI_CLOSE_TIMEOUT);
+       finish_wait(&priv->dp_flush_wait, &wait);
+
+       /* shutdown any outstanding bulk writes */
+       usb_kill_urb(port->write_urb);
 exit:
        spin_lock_irq(&priv->dp_port_lock);
        priv->dp_write_urb_in_use = 0;