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| author | Johan Hovold <jhovold@gmail.com> | 2013-03-21 12:36:35 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-25 13:44:18 -0700 |
| commit | bb3529c6a01fce3e23c968982f46fa46a0095345 (patch) | |
| tree | 836548fb2445b1b35c2e467e53cdb5e4fd91b52f | |
| parent | 75d22b323fad49715068f74af9e65dbaba06614e (diff) | |
| download | linux-bb3529c6a01fce3e23c968982f46fa46a0095345.tar.gz linux-bb3529c6a01fce3e23c968982f46fa46a0095345.tar.bz2 linux-bb3529c6a01fce3e23c968982f46fa46a0095345.zip | |
USB: mos7840: 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.
Simplify urb killing, and remove some related debug and dead code while
at it.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/serial/mos7840.c | 28 |
1 files changed, 6 insertions, 22 deletions
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 316ad5f0d1a2..979ef1999581 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -1223,25 +1223,10 @@ static void mos7840_close(struct usb_serial_port *port) } } - /* While closing port, shutdown all bulk read, write * - * and interrupt read if they exists */ - if (serial->dev) { - if (mos7840_port->write_urb) { - dev_dbg(&port->dev, "%s", "Shutdown bulk write\n"); - usb_kill_urb(mos7840_port->write_urb); - } - if (mos7840_port->read_urb) { - dev_dbg(&port->dev, "%s", "Shutdown bulk read\n"); - usb_kill_urb(mos7840_port->read_urb); - mos7840_port->read_urb_busy = false; - } - if ((&mos7840_port->control_urb)) { - dev_dbg(&port->dev, "%s", "Shutdown control read\n"); - /*/ usb_kill_urb (mos7840_port->control_urb); */ - } - } -/* if(mos7840_port->ctrl_buf != NULL) */ -/* kfree(mos7840_port->ctrl_buf); */ + usb_kill_urb(mos7840_port->write_urb); + usb_kill_urb(mos7840_port->read_urb); + mos7840_port->read_urb_busy = false; + port0->open_ports--; dev_dbg(&port->dev, "%s in close%d:in port%d\n", __func__, port0->open_ports, port->number); if (port0->open_ports == 0) { @@ -1330,9 +1315,8 @@ static void mos7840_break(struct tty_struct *tty, int break_state) if (mos7840_port == NULL) return; - if (serial->dev) - /* flush and block until tx is empty */ - mos7840_block_until_chase_response(tty, mos7840_port); + /* flush and block until tx is empty */ + mos7840_block_until_chase_response(tty, mos7840_port); if (break_state == -1) data = mos7840_port->shadowLCR | LCR_SET_BREAK; |