[PATCH v2 2/2] Add master support to rtnl_neigh for AF_BRIDGE objects

[Thomas Graf]

On 11/14/12 at 11:33am, roopa at cumulusnetworks.com wrote:
> +	/*
> +	 * Get the bridge index for AF_BRIDGE family entries
> +	 */
> +	if (neigh->n_family == AF_BRIDGE) {
> +		struct nl_cache *lcache = nl_cache_mngt_require("route/link");
> +		if (lcache ) {
> +			struct rtnl_link *link = rtnl_link_get(lcache,
> +							neigh->n_ifindex);
> +			if (link) {
> +				neigh->n_master = link->l_master;
> +				rtnl_link_put(link);
> +				neigh->ce_mask |= NEIGH_ATTR_MASTER;
> +			}
> +		}
> +	}
> +

So what if no link cache has been made available? n_master will always
be 0 and we can't uniquely identify AF_BRIDGE cache entries, right?