4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jimmy Assarsson <jimmyassarsson@xxxxxxxxx> commit 8f65a923e6b628e187d5e791cf49393dd5e8c2f9 upstream. If the return value from kvaser_usb_send_simple_msg() was non-zero, the return value from kvaser_usb_flush_queue() was printed in the kernel warning. Signed-off-by: Jimmy Assarsson <jimmyassarsson@xxxxxxxxx> Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/can/usb/kvaser_usb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -1607,7 +1607,8 @@ static int kvaser_usb_close(struct net_d if (err) netdev_warn(netdev, "Cannot flush queue, error %d\n", err); - if (kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, priv->channel)) + err = kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, priv->channel); + if (err) netdev_warn(netdev, "Cannot reset card, error %d\n", err); err = kvaser_usb_stop_chip(priv);