Set ethtool_ops->supported_coalesce_params to let the core reject unsupported coalescing parameters. This driver did not previously reject unsupported parameters. Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> --- arch/um/drivers/vector_kern.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c index 0ff86391f77d..e98304d0219e 100644 --- a/arch/um/drivers/vector_kern.c +++ b/arch/um/drivers/vector_kern.c @@ -1508,6 +1508,7 @@ static int vector_set_coalesce(struct net_device *netdev, } static const struct ethtool_ops vector_net_ethtool_ops = { + .supported_coalesce_params = ETHTOOL_COALESCE_TX_USECS, .get_drvinfo = vector_net_get_drvinfo, .get_link = ethtool_op_get_link, .get_ts_info = ethtool_op_get_ts_info, -- 2.24.1