D39493.diff
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	diff --git a/sys/net/if.c b/sys/net/if.c
	--- a/sys/net/if.c
	+++ b/sys/net/if.c
	@@ -4685,6 +4685,13 @@
	return (count);
	}

	+bool
	+if_maddr_empty(if_t ifp)
	+{
	+
	+ return (CK_STAILQ_EMPTY(&ifp->if_multiaddrs));
	+}
	+
	u_int
	if_foreach_llmaddr(if_t ifp, iflladdr_cb_t cb, void *cb_arg)
	{
	diff --git a/sys/net/if_var.h b/sys/net/if_var.h
	--- a/sys/net/if_var.h
	+++ b/sys/net/if_var.h
	@@ -657,6 +657,7 @@
	u_int if_foreach_llmaddr(if_t, iflladdr_cb_t, void *);
	u_int if_lladdr_count(if_t);
	u_int if_llmaddr_count(if_t);
	+bool if_maddr_empty(if_t);

	int if_getamcount(const if_t ifp);
	struct ifaddr * if_getifaddr(const if_t ifp);