hso: fix memory leak when device disconnects

In the disconnect path, tx_buffer should freed like tx_data to avoid
a memory leak when the device disconnects.

Signed-off-by: Olivier Sobrie <olivier@sobrie.be>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 191c1fac08b6794de59caaa33918e1c7321b9633..d855cead397886101badb1900cc9379c98e02ece 100644 (file)
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2253,6 +2253,7 @@ static void hso_serial_common_free(struct hso_serial *serial)
 
        /* unlink and free TX URB */
        usb_free_urb(serial->tx_urb);
+       kfree(serial->tx_buffer);
        kfree(serial->tx_data);
        tty_port_destroy(&serial->port);
 }