diff options
Diffstat (limited to 'drivers/usb/serial/generic.c')
| -rw-r--r-- | drivers/usb/serial/generic.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index 2a3196a..583244b 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -156,13 +156,19 @@ EXPORT_SYMBOL_GPL(usb_serial_generic_open); static void generic_cleanup(struct usb_serial_port *port) { struct usb_serial *serial = port->serial; + unsigned long flags; dbg("%s - port %d", __func__, port->number); if (serial->dev) { /* shutdown any bulk transfers that might be going on */ - if (port->bulk_out_size) + if (port->bulk_out_size) { usb_kill_urb(port->write_urb); + + spin_lock_irqsave(&port->lock, flags); + kfifo_reset_out(&port->write_fifo); + spin_unlock_irqrestore(&port->lock, flags); + } if (port->bulk_in_size) usb_kill_urb(port->read_urb); } |