diff options
Diffstat (limited to 'drivers/net/usb/hso.c')
| -rw-r--r-- | drivers/net/usb/hso.c | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index dec96e8ab567..a57251ba5991 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -1079,8 +1079,7 @@ static void hso_init_termios(struct ktermios *termios) tty_termios_encode_baud_rate(termios, 115200, 115200); } -static void _hso_serial_set_termios(struct tty_struct *tty, - struct ktermios *old) +static void _hso_serial_set_termios(struct tty_struct *tty) { struct hso_serial *serial = tty->driver_data; @@ -1262,7 +1261,7 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp) if (serial->port.count == 1) { serial->rx_state = RX_IDLE; /* Force default termio settings */ - _hso_serial_set_termios(tty, NULL); + _hso_serial_set_termios(tty); tasklet_setup(&serial->unthrottle_tasklet, hso_unthrottle_tasklet); result = hso_start_serial_device(serial->parent, GFP_KERNEL); @@ -1394,7 +1393,7 @@ static void hso_serial_set_termios(struct tty_struct *tty, struct ktermios *old) /* the actual setup */ spin_lock_irqsave(&serial->serial_lock, flags); if (serial->port.count) - _hso_serial_set_termios(tty, old); + _hso_serial_set_termios(tty); else tty->termios = *old; spin_unlock_irqrestore(&serial->serial_lock, flags); @@ -2353,7 +2352,7 @@ static int remove_net_device(struct hso_device *hso_dev) } /* Frees our network device */ -static void hso_free_net_device(struct hso_device *hso_dev, bool bailout) +static void hso_free_net_device(struct hso_device *hso_dev) { int i; struct hso_net *hso_net = dev2net(hso_dev); @@ -2376,7 +2375,7 @@ static void hso_free_net_device(struct hso_device *hso_dev, bool bailout) kfree(hso_net->mux_bulk_tx_buf); hso_net->mux_bulk_tx_buf = NULL; - if (hso_net->net && !bailout) + if (hso_net->net) free_netdev(hso_net->net); kfree(hso_dev); @@ -2536,13 +2535,17 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface, if (!hso_net->mux_bulk_tx_buf) goto err_free_tx_urb; - add_net_device(hso_dev); + result = add_net_device(hso_dev); + if (result) { + dev_err(&interface->dev, "Failed to add net device\n"); + goto err_free_tx_buf; + } /* registering our net device */ result = register_netdev(net); if (result) { dev_err(&interface->dev, "Failed to register device\n"); - goto err_free_tx_buf; + goto err_rmv_ndev; } hso_log_port(hso_dev); @@ -2551,8 +2554,9 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface, return hso_dev; -err_free_tx_buf: +err_rmv_ndev: remove_net_device(hso_dev); +err_free_tx_buf: kfree(hso_net->mux_bulk_tx_buf); err_free_tx_urb: usb_free_urb(hso_net->mux_bulk_tx_urb); @@ -3133,7 +3137,7 @@ static void hso_free_interface(struct usb_interface *interface) rfkill_unregister(rfk); rfkill_destroy(rfk); } - hso_free_net_device(network_table[i], false); + hso_free_net_device(network_table[i]); } } } @@ -3242,9 +3246,10 @@ static int __init hso_init(void) serial_table[i] = NULL; /* allocate our driver using the proper amount of supported minors */ - tty_drv = alloc_tty_driver(HSO_SERIAL_TTY_MINORS); - if (!tty_drv) - return -ENOMEM; + tty_drv = tty_alloc_driver(HSO_SERIAL_TTY_MINORS, TTY_DRIVER_REAL_RAW | + TTY_DRIVER_DYNAMIC_DEV); + if (IS_ERR(tty_drv)) + return PTR_ERR(tty_drv); /* fill in all needed values */ tty_drv->driver_name = driver_name; @@ -3257,7 +3262,6 @@ static int __init hso_init(void) tty_drv->minor_start = 0; tty_drv->type = TTY_DRIVER_TYPE_SERIAL; tty_drv->subtype = SERIAL_TYPE_NORMAL; - tty_drv->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; tty_drv->init_termios = tty_std_termios; hso_init_termios(&tty_drv->init_termios); tty_set_operations(tty_drv, &hso_serial_ops); @@ -3282,7 +3286,7 @@ static int __init hso_init(void) err_unreg_tty: tty_unregister_driver(tty_drv); err_free_tty: - put_tty_driver(tty_drv); + tty_driver_kref_put(tty_drv); return result; } @@ -3293,7 +3297,7 @@ static void __exit hso_exit(void) tty_unregister_driver(tty_drv); /* deregister the usb driver */ usb_deregister(&hso_driver); - put_tty_driver(tty_drv); + tty_driver_kref_put(tty_drv); } /* Module definitions */ |