3.18-stable review patch. If anyone has any objections, please let me know.
------------------ From: Jimmy Assarsson <[email protected]> commit 435019b48033138581a6171093b181fc6b4d3d30 upstream. The allocated buffer was not freed if usb_submit_urb() failed. Signed-off-by: Jimmy Assarsson <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/net/can/usb/kvaser_usb.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -602,6 +602,7 @@ static int kvaser_usb_simple_msg_async(s if (err) { netdev_err(netdev, "Error transmitting URB\n"); usb_unanchor_urb(urb); + kfree(buf); usb_free_urb(urb); kfree(buf); return err; @@ -1385,6 +1386,7 @@ static netdev_tx_t kvaser_usb_start_xmit atomic_dec(&priv->active_tx_urbs); usb_unanchor_urb(urb); + kfree(buf); stats->tx_dropped++;
