From 081698be204df5be6a69873c295f7592ee85d95a Mon Sep 17 00:00:00 2001
From: "bernard.xiong" <bernard.xiong@gmail.com>
Date: Mon, 3 Aug 2009 14:02:05 +0000
Subject: [PATCH] fix the LWIP DHCP option issue

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@17 bbd45198-f89e-11dd-88c7-29a3b14d5316
---
 net/lwip/src/arch/sys_arch_init.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/lwip/src/arch/sys_arch_init.c b/net/lwip/src/arch/sys_arch_init.c
index f16e610b44..7a782cd7c2 100644
--- a/net/lwip/src/arch/sys_arch_init.c
+++ b/net/lwip/src/arch/sys_arch_init.c
@@ -23,6 +23,8 @@ void lwip_sys_init()
 	struct ip_addr ipaddr, netmask, gw;
 
 #if LWIP_DHCP
+	rt_uint32_t mscnt = 0;
+
 	IP4_ADDR(&gw, 0,0,0,0);
 	IP4_ADDR(&ipaddr, 0,0,0,0);
 	IP4_ADDR(&netmask, 0,0,0,0);
@@ -42,7 +44,7 @@ void lwip_sys_init()
 	dhcp_start(netif_default);
 
     while (1) {
-        sleep(DHCP_FINE_TIMER_MSECS);
+        rt_thread_delay(DHCP_FINE_TIMER_MSECS);
 
         dhcp_fine_tmr();
         mscnt += DHCP_FINE_TIMER_MSECS;