From: Claudiu Manoil claudiu.manoil@nxp.com
[ Upstream commit 3b3eed8eec47259939ee6c3d58aea1c311ddee3b ]
lag_upper_info may be NULL on slave removal.
Fixes: dc96ee3730fc ("net: mscc: ocelot: add bonding support") Signed-off-by: Claudiu Manoil claudiu.manoil@nxp.com Signed-off-by: Vladimir Oltean olteanv@gmail.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/ethernet/mscc/ocelot.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -1543,7 +1543,8 @@ static int ocelot_netdevice_event(struct struct netdev_lag_upper_info *lag_upper_info = info->upper_info; struct netlink_ext_ack *extack;
- if (lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) { + if (lag_upper_info && + lag_upper_info->tx_type != NETDEV_LAG_TX_TYPE_HASH) { extack = netdev_notifier_info_to_extack(&info->info); NL_SET_ERR_MSG_MOD(extack, "LAG device using unsupported Tx type");