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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.c12
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,