fix leak in SPL iterators

diff --git a/ext/spl/spl_iterators.c b/ext/spl/spl_iterators.c
index 572f06e3d88f276e764d89c2dbb502b92fe33e8b..43ff9916f73b1f19b3f47e633eb39fbaad2ed783 100755 (executable)
--- a/ext/spl/spl_iterators.c
+++ b/ext/spl/spl_iterators.c
@@ -814,7 +814,7 @@ static INLINE int spl_dual_it_fetch(spl_dual_it_object *intern, int check_more T
 
 static INLINE spl_dual_it_object* spl_dual_it_construct(INTERNAL_FUNCTION_PARAMETERS, zend_class_entry *ce_inner, dual_it_type dit_type)
 {
-       zval                 *zobject;
+       zval                 *zobject, *retval = NULL;
        spl_dual_it_object   *intern;
        zend_class_entry     *ce;
 
@@ -882,7 +882,6 @@ static INLINE spl_dual_it_object* spl_dual_it_construct(INTERNAL_FUNCTION_PARAME
                                        ce = *pce_cast;
                                }
                                if (instanceof_function(ce, zend_ce_aggregate TSRMLS_CC)) {
-                                       zval *retval;
                                        zobject = zend_call_method_with_0_params(&zobject, ce, &ce->iterator_funcs.zf_new_iterator, "getiterator", &retval);
                                        ce = Z_OBJCE_P(zobject);
                                }
@@ -911,6 +910,10 @@ static INLINE spl_dual_it_object* spl_dual_it_construct(INTERNAL_FUNCTION_PARAME
        intern->inner.object = zend_object_store_get_object(zobject TSRMLS_CC);
        intern->inner.iterator = intern->inner.ce->get_iterator(intern->inner.ce, zobject TSRMLS_CC);
 
+       if (retval) {
+               zval_ptr_dtor(&retval);
+       }
+       
        php_set_error_handling(EH_NORMAL, NULL TSRMLS_CC);
        return intern;
 }