diff options
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index b59a0536ea5c..5be79cf06fa9 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -40,6 +40,8 @@ #define DRIVER_AUTHOR "Greg Kroah-Hartman, greg@kroah.com, http://www.kroah.com/linux/" #define DRIVER_DESC "USB Serial Driver core" +static void port_free(struct usb_serial_port *port); + /* Driver structure we register with the USB core */ static struct usb_driver usb_serial_driver = { .name = "usbserial", @@ -146,23 +148,10 @@ static void destroy_serial(struct kref *kref) port = serial->port[i]; if (!port) continue; - usb_kill_urb(port->read_urb); - usb_free_urb(port->read_urb); - usb_kill_urb(port->write_urb); - usb_free_urb(port->write_urb); - usb_kill_urb(port->interrupt_in_urb); - usb_free_urb(port->interrupt_in_urb); - usb_kill_urb(port->interrupt_out_urb); - usb_free_urb(port->interrupt_out_urb); - kfree(port->bulk_in_buffer); - kfree(port->bulk_out_buffer); - kfree(port->interrupt_in_buffer); - kfree(port->interrupt_out_buffer); + port_free(port); } } - flush_scheduled_work(); /* port->work */ - usb_put_dev(serial->dev); /* free up any memory that we allocated */ @@ -564,6 +553,11 @@ static void port_release(struct device *dev) struct usb_serial_port *port = to_usb_serial_port(dev); dbg ("%s - %s", __FUNCTION__, dev->bus_id); + port_free(port); +} + +static void port_free(struct usb_serial_port *port) +{ usb_kill_urb(port->read_urb); usb_free_urb(port->read_urb); usb_kill_urb(port->write_urb); @@ -576,6 +570,7 @@ static void port_release(struct device *dev) kfree(port->bulk_out_buffer); kfree(port->interrupt_in_buffer); kfree(port->interrupt_out_buffer); + flush_scheduled_work(); /* port->work */ kfree(port); } |