From: Adi Nissim <a...@mellanox.com> MTU helper function is used by both conventional mlx5e instances (PF/VF) and the eswitch representors. The representor shouldn't change the nic vport context MTU, the VF is responsible for that. Therefore set_mtu_cb has a null value when changing the representor MTU.
Fixes: 250a42b6a764 ("net/mlx5e: Support configurable MTU for vport representors") Signed-off-by: Adi Nissim <a...@mellanox.com> Reviewed-by: Yevgeny Kliteynik <klit...@mellanox.com> Signed-off-by: Saeed Mahameed <sae...@mellanox.com> --- drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index dae4156a710d..c592678ab5f1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -3712,7 +3712,8 @@ int mlx5e_change_mtu(struct net_device *netdev, int new_mtu, if (!reset) { params->sw_mtu = new_mtu; - set_mtu_cb(priv); + if (set_mtu_cb) + set_mtu_cb(priv); netdev->mtu = params->sw_mtu; goto out; } -- 2.17.0