In the function rte_flow_shared_action_destroy(),
the errno ETOOMANYREFS has been replaced with EBUSY in the
commit 
dc328d1c555a ("ethdev: rename a flow shared action error code").
Another occurrence of ETOOMANYREFS, added later by mistake,
is replaced with EBUSY errno.
Fixes: fa7ad49e96b5 ("net/mlx5: fix shared RSS action update")
Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Reviewed-by: Tal Shnaiderman <talshn@nvidia.com>
Tested-by: Tal Shnaiderman <talshn@nvidia.com>
 
        queue = shared_rss->ind_tbl->queues;
        remaining = mlx5_ind_table_obj_release(dev, shared_rss->ind_tbl, true);
        if (remaining)
-               return rte_flow_error_set(error, ETOOMANYREFS,
+               return rte_flow_error_set(error, EBUSY,
                                          RTE_FLOW_ERROR_TYPE_ACTION,
                                          NULL,
                                          "shared rss indirection table has"