diff options
Diffstat (limited to 'drivers/usb/serial/usb_wwan.c')
| -rw-r--r-- | drivers/usb/serial/usb_wwan.c | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c index ede88f1e09a3..f155018a91a5 100644 --- a/drivers/usb/serial/usb_wwan.c +++ b/drivers/usb/serial/usb_wwan.c @@ -414,12 +414,26 @@ int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port) } EXPORT_SYMBOL(usb_wwan_open); +static void unbusy_queued_urb(struct urb *urb, + struct usb_wwan_port_private *portdata) +{ + int i; + + for (i = 0; i < N_OUT_URB; i++) { + if (urb == portdata->out_urbs[i]) { + clear_bit(i, &portdata->out_busy); + break; + } + } +} + void usb_wwan_close(struct usb_serial_port *port) { int i; struct usb_serial *serial = port->serial; struct usb_wwan_port_private *portdata; struct usb_wwan_intf_private *intfdata = port->serial->private; + struct urb *urb; portdata = usb_get_serial_port_data(port); @@ -428,6 +442,14 @@ void usb_wwan_close(struct usb_serial_port *port) portdata->opened = 0; spin_unlock_irq(&intfdata->susp_lock); + for (;;) { + urb = usb_get_from_anchor(&portdata->delayed); + if (!urb) + break; + unbusy_queued_urb(urb, portdata); + usb_autopm_put_interface_async(serial->interface); + } + for (i = 0; i < N_IN_URB; i++) usb_kill_urb(portdata->in_urbs[i]); for (i = 0; i < N_OUT_URB; i++) @@ -600,18 +622,6 @@ int usb_wwan_suspend(struct usb_serial *serial, pm_message_t message) } EXPORT_SYMBOL(usb_wwan_suspend); -static void unbusy_queued_urb(struct urb *urb, struct usb_wwan_port_private *portdata) -{ - int i; - - for (i = 0; i < N_OUT_URB; i++) { - if (urb == portdata->out_urbs[i]) { - clear_bit(i, &portdata->out_busy); - break; - } - } -} - static void play_delayed(struct usb_serial_port *port) { struct usb_wwan_intf_private *data; |