From a397fef958ce2ef31ca0a2021b1e6044eb1220a4 Mon Sep 17 00:00:00 2001
From: "bernard.xiong" <bernard.xiong@gmail.com>
Date: Wed, 21 Sep 2011 10:11:47 +0000
Subject: [PATCH] fixed parameters check in rtgui_dc_draw_annulus function.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1718 bbd45198-f89e-11dd-88c7-29a3b14d5316
---
 components/rtgui/common/dc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/rtgui/common/dc.c b/components/rtgui/common/dc.c
index 5c7d13003..9979668c6 100644
--- a/components/rtgui/common/dc.c
+++ b/components/rtgui/common/dc.c
@@ -906,7 +906,7 @@ void rtgui_dc_draw_annulus(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_i
 	rt_int16_t temp_val = 0;
 
     /* Sanity check radius */
-	if ((r1 < 0) || (r1 < 0)) return ;
+	if ((r1 < 0) || (r2 < 0)) return ;
 	/* Special case for r=0 - draw a point */
 	if ((r1 == 0) && (r2 == 0))
 	{
-- 
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