diff options
| author | Johan Hovold <jhovold@gmail.com> | 2012-10-25 10:29:09 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-25 09:36:58 -0700 |
| commit | 8e512ab0b675da20e023439a5811e3f2554e6852 (patch) | |
| tree | 929a1c5f7989a295eb136952724f5bbb29946edb /drivers/usb | |
| parent | 40d04738491d7ac1aa708ba434ff3480ec9e1b96 (diff) | |
| download | linux-8e512ab0b675da20e023439a5811e3f2554e6852.tar.gz linux-8e512ab0b675da20e023439a5811e3f2554e6852.tar.xz | |
USB: quatech2: fix close and disconnect urb handling
Kill urbs unconditionally at close and disconnect.
Note that URB status is not valid outside of completion handler.
Cc: <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/serial/quatech2.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index 8d0c4a0b6a7b..7e8d8f32b634 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -423,8 +423,7 @@ static void qt2_close(struct usb_serial_port *port) port_priv->is_open = false; spin_lock_irqsave(&port_priv->urb_lock, flags); - if (port_priv->write_urb->status == -EINPROGRESS) - usb_kill_urb(port_priv->write_urb); + usb_kill_urb(port_priv->write_urb); port_priv->urb_in_use = false; spin_unlock_irqrestore(&port_priv->urb_lock, flags); @@ -465,8 +464,7 @@ static void qt2_disconnect(struct usb_serial *serial) { struct qt2_serial_private *serial_priv = usb_get_serial_data(serial); - if (serial_priv->read_urb->status == -EINPROGRESS) - usb_kill_urb(serial_priv->read_urb); + usb_kill_urb(serial_priv->read_urb); } static int get_serial_info(struct usb_serial_port *port, |