diff options
Diffstat (limited to 'drivers/net/usb/hso.c')
| -rw-r--r-- | drivers/net/usb/hso.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index c4918b86ed1..0d0fa91c025 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -1297,6 +1297,7 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp) /* setup */ spin_lock_irq(&serial->serial_lock); tty->driver_data = serial; + tty_kref_put(serial->tty); serial->tty = tty_kref_get(tty); spin_unlock_irq(&serial->serial_lock); @@ -1792,8 +1793,8 @@ static int mux_device_request(struct hso_serial *serial, u8 type, u16 port, /* initialize */ ctrl_req->wValue = 0; - ctrl_req->wIndex = hso_port_to_mux(port); - ctrl_req->wLength = size; + ctrl_req->wIndex = cpu_to_le16(hso_port_to_mux(port)); + ctrl_req->wLength = cpu_to_le16(size); if (type == USB_CDC_GET_ENCAPSULATED_RESPONSE) { /* Reading command */ @@ -2043,9 +2044,8 @@ static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial) return -2; } - spin_lock(&serial->serial_lock); + /* All callers to put_rxbuf_data hold serial_lock */ tty = tty_kref_get(serial->tty); - spin_unlock(&serial->serial_lock); /* Push data to tty */ if (tty) { @@ -2053,8 +2053,10 @@ static int put_rxbuf_data(struct urb *urb, struct hso_serial *serial) serial->curr_rx_urb_offset; D1("data to push to tty"); while (write_length_remaining) { - if (test_bit(TTY_THROTTLED, &tty->flags)) + if (test_bit(TTY_THROTTLED, &tty->flags)) { + tty_kref_put(tty); return -1; + } curr_write_len = tty_insert_flip_string (tty, urb->transfer_buffer + serial->curr_rx_urb_offset, |