assert(cmnd->pdu.ahs);
BUG_ON(!cmnd->pdu.ahs);
static void iscsi_conn_read_ahs(struct iscsi_conn *conn, struct iscsi_cmnd *cmnd){	cmnd->pdu.ahs = kmalloc(cmnd->pdu.ahssize, __GFP_NOFAIL|GFP_KERNEL);	assert(cmnd->pdu.ahs);	iscsi_conn_init_read(conn, cmnd->pdu.ahs, cmnd->pdu.ahssize);}