qcacld-3.0: Handle unregistered OS RX handles in DP RX Thread

On association completion, RX handles are registered with the DP layer
as a part of cdp_vdev_register. It is possible that immediately after
association, host receives RX packets, but RX handles have not been
registered for the vdev with DP layer.

Drop packets in DP RX Thread if OS RX handles are not found for the
vdev.

Change-Id: I3bbd489ec9c5e6f6267521818663b123a85bb3f9
CRs-Fixed: 2419376
2 files changed