RDMA/mlx5: Check RoCE LAG status before getting netdev

Check if RoCE LAG is active before calling the LAG layer for netdev.
This clarifies if LAG is active. No behavior changes with this patch.

Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Michael Guralnik <michaelgur@nvidia.com>
Link: https://patch.msgid.link/20240909173025.30422-2-michaelgur@nvidia.com


Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>