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USB: digi_acceleport: 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 12:36:30 +01:00 committed by Greg Kroah-Hartman
parent 1bc77f4df6
commit 28e679ae6f
1 changed files with 38 additions and 40 deletions
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78
drivers/usb/serial/digi_acceleport.c
View 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);
/* 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 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 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 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;
/* 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;
/* 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);
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);
/* 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);
}
/* 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;