Function bstp_destroy

freebsd/net/bridgestp.c:2269–2279

* The bstp_port structure is about to be freed by the parent bridge. */

 * The bstp_port structure is about to be freed by the parent bridge.
 */
void
bstp_destroy(struct bstp_port *bp)
{
	KASSERT(bp->bp_active == 0, ("port is still attached"));
	taskqueue_drain(taskqueue_swi, &bp->bp_statetask);
	taskqueue_drain(taskqueue_swi, &bp->bp_rtagetask);
	taskqueue_drain(taskqueue_swi, &bp->bp_mediatask);

	if (bp->bp_bs->bs_root_port == bp)
		bstp_assign_roles(bp->bp_bs);
}