D37308.id112768.diff
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D37308.id112768.diff
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	diff --git a/sys/netlink/netlink_generic.c b/sys/netlink/netlink_generic.c
	--- a/sys/netlink/netlink_generic.c
	+++ b/sys/netlink/netlink_generic.c
	@@ -133,6 +133,22 @@
	free(gf->family_cmds, M_NETLINK);
	}

	+/*
	+ * unregister groups of a given family
	+ */
	+static void
	+unregister_groups(const struct genl_family *gf)
	+{
	+
	+ for (int i = 0; i < MAX_GROUPS; i++) {
	+ struct genl_group *gg = &groups[i];
	+ if (gg->group_family == gf && gg->group_name != NULL) {
	+ gg->group_family = NULL;
	+ gg->group_name = NULL;
	+ }
	+ }
	+}
	+
	/*
	* Can sleep, I guess
	*/
	@@ -148,6 +164,7 @@

	if (gf != NULL) {
	found = true;
	+ unregister_groups(gf);
	/* TODO: zero pointer first */
	free_family(gf);
	bzero(gf, sizeof(*gf));