From: Dmitry Stogov <dmitry@php.net>
Date: Fri, 8 Dec 2006 12:47:45 +0000 (+0000)
Subject: Fixed possible failure
X-Git-Tag: php-5.2.1RC1~60
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=dd9b5a08f0e7e8fccc6884f38ef432a9f21cc597;p=php

Fixed possible failure
---

diff --git a/Zend/zend_alloc.c b/Zend/zend_alloc.c
index 1c81eeb79a..ba109f9be9 100644
--- a/Zend/zend_alloc.c
+++ b/Zend/zend_alloc.c
@@ -557,15 +557,14 @@ static void zend_mm_free_cache(zend_mm_heap *heap)
 			while (mm_block) {
 				size_t size = ZEND_MM_BLOCK_SIZE(mm_block);
 				zend_mm_free_block *q = mm_block->prev_free_block;
-				zend_mm_block *prev_block = ZEND_MM_PREV_BLOCK(mm_block);
 				zend_mm_block *next_block = ZEND_MM_NEXT_BLOCK(mm_block);
 
 				heap->cached -= size;
 
-				if (ZEND_MM_IS_FREE_BLOCK(prev_block)) {
-					size += ZEND_MM_FREE_BLOCK_SIZE(prev_block);
-					mm_block = (zend_mm_free_block*)prev_block;
-					zend_mm_remove_from_free_list(heap, (zend_mm_free_block *) prev_block);
+				if (ZEND_MM_PREV_BLOCK_IS_FREE(mm_block)) {
+					mm_block = (zend_mm_free_block*)ZEND_MM_PREV_BLOCK(mm_block);
+					size += ZEND_MM_FREE_BLOCK_SIZE(mm_block);
+					zend_mm_remove_from_free_list(heap, (zend_mm_free_block *) mm_block);
 				}
 				if (ZEND_MM_IS_FREE_BLOCK(next_block)) {
 					size += ZEND_MM_FREE_BLOCK_SIZE(next_block);