Function key_freesah

freebsd/netipsec/key.c:2859–2873

}

static void
key_freesah(struct secashead **psah)
{
	struct secashead *sah = *psah;

	if (SAH_DELREF(sah) == 0)
		return;

	KEYDBG(KEY_STAMP,
	    printf("%s: last reference to SAH(%p)\n", __func__, sah));
	KEYDBG(KEY_DATA, kdebug_secash(sah, NULL));

	*psah = NULL;
	key_delsah(sah);
}

static void
key_delsah(struct secashead *sah)