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path: root/drivers/net/usb/hso.c
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Diffstat (limited to 'drivers/net/usb/hso.c')
-rw-r--r--drivers/net/usb/hso.c58
1 files changed, 35 insertions, 23 deletions
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 63006838bdcc..7dc1ef3f93c3 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);
@@ -2495,7 +2494,7 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
hso_net_init);
if (!net) {
dev_err(&interface->dev, "Unable to create ethernet device\n");
- goto exit;
+ goto err_hso_dev;
}
hso_net = netdev_priv(net);
@@ -2508,13 +2507,13 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
USB_DIR_IN);
if (!hso_net->in_endp) {
dev_err(&interface->dev, "Can't find BULK IN endpoint\n");
- goto exit;
+ goto err_net;
}
hso_net->out_endp = hso_get_ep(interface, USB_ENDPOINT_XFER_BULK,
USB_DIR_OUT);
if (!hso_net->out_endp) {
dev_err(&interface->dev, "Can't find BULK OUT endpoint\n");
- goto exit;
+ goto err_net;
}
SET_NETDEV_DEV(net, &interface->dev);
SET_NETDEV_DEVTYPE(net, &hso_type);
@@ -2523,18 +2522,18 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) {
hso_net->mux_bulk_rx_urb_pool[i] = usb_alloc_urb(0, GFP_KERNEL);
if (!hso_net->mux_bulk_rx_urb_pool[i])
- goto exit;
+ goto err_mux_bulk_rx;
hso_net->mux_bulk_rx_buf_pool[i] = kzalloc(MUX_BULK_RX_BUF_SIZE,
GFP_KERNEL);
if (!hso_net->mux_bulk_rx_buf_pool[i])
- goto exit;
+ goto err_mux_bulk_rx;
}
hso_net->mux_bulk_tx_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!hso_net->mux_bulk_tx_urb)
- goto exit;
+ goto err_mux_bulk_rx;
hso_net->mux_bulk_tx_buf = kzalloc(MUX_BULK_TX_BUF_SIZE, GFP_KERNEL);
if (!hso_net->mux_bulk_tx_buf)
- goto exit;
+ goto err_free_tx_urb;
add_net_device(hso_dev);
@@ -2542,7 +2541,7 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
result = register_netdev(net);
if (result) {
dev_err(&interface->dev, "Failed to register device\n");
- goto exit;
+ goto err_free_tx_buf;
}
hso_log_port(hso_dev);
@@ -2550,8 +2549,21 @@ static struct hso_device *hso_create_net_device(struct usb_interface *interface,
hso_create_rfkill(hso_dev, interface);
return hso_dev;
-exit:
- hso_free_net_device(hso_dev, true);
+
+err_free_tx_buf:
+ remove_net_device(hso_dev);
+ kfree(hso_net->mux_bulk_tx_buf);
+err_free_tx_urb:
+ usb_free_urb(hso_net->mux_bulk_tx_urb);
+err_mux_bulk_rx:
+ for (i = 0; i < MUX_BULK_RX_BUF_COUNT; i++) {
+ usb_free_urb(hso_net->mux_bulk_rx_urb_pool[i]);
+ kfree(hso_net->mux_bulk_rx_buf_pool[i]);
+ }
+err_net:
+ free_netdev(net);
+err_hso_dev:
+ kfree(hso_dev);
return NULL;
}
@@ -3120,7 +3132,7 @@ 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]);
}
}
}
@@ -3229,9 +3241,10 @@ 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;
@@ -3244,7 +3257,6 @@ 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);
@@ -3269,7 +3281,7 @@ 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;
}
@@ -3280,7 +3292,7 @@ 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 */
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-17 22:30:11 +0300