if(constraint->strength != pecs_must_not) { pe_config_err("Cannot colocate resources with" " non-colocated group: %s", rsc_lh->id); return; }  slist_iter( child_rsc, resource_t, group_data->child_list, lpc, child_rsc->fns->rsc_colocation_lh( child_rsc, rsc_rh, constraint); );
void group_rsc_colocation_lh(	resource_t *rsc_lh, resource_t *rsc_rh, rsc_colocation_t *constraint){	group_variant_data_t *group_data = NULL;		if(rsc_lh == NULL) {		pe_err("rsc_lh was NULL for %s", constraint->id);		return;	} else if(rsc_rh == NULL) {		pe_err("rsc_rh was NULL for %s", constraint->id);		return;	}			crm_debug_4("Processing constraints from %s", rsc_lh->id);	get_group_variant_data(group_data, rsc_lh);	CRM_DEV_ASSERT(group_data->self != NULL);	if(crm_assert_failed) {		return;	} 	group_data->first_child->fns->rsc_colocation_lh(group_data->first_child, rsc_rh, constraint); 	}