From b13215b7c77c4729418554cc4fc9e01c35ef2880 Mon Sep 17 00:00:00 2001
From: "bernard.xiong" <bernard.xiong@gmail.com>
Date: Tue, 30 Nov 2010 06:57:30 +0000
Subject: [PATCH] fix malloc(0xffffffff) issue.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1154 bbd45198-f89e-11dd-88c7-29a3b14d5316
---
 src/slab.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/slab.c b/src/slab.c
index 490c1c0fcc..ffcdcb9cb3 100644
--- a/src/slab.c
+++ b/src/slab.c
@@ -233,7 +233,7 @@ void *rt_page_alloc(rt_size_t npages)
 	struct rt_page_head *b, *n;
 	struct rt_page_head **prev;
 
-	RT_ASSERT(npages != 0);
+	if(npages == 0) return RT_NULL;
 
 	for (prev = &rt_page_list; (b = *prev) != RT_NULL; prev = &(b->next))
 	{