From cf3378588cedd2015f8c59b77fcc3fb8f9164ec8 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 22 Dec 2007 11:34:39 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@155
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 src/chinit.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/chinit.c')

diff --git a/src/chinit.c b/src/chinit.c
index e57c0614e..06ee2fc9b 100644
--- a/src/chinit.c
+++ b/src/chinit.c
@@ -66,7 +66,8 @@ void chSysInit(void) {
  */
 void chSysTimerHandlerI(void) {
 
-  rlist.r_preempt--;
+  if (rlist.r_preempt > 0)
+    rlist.r_preempt--;
 #ifdef CH_USE_SYSTEMTIME
   rlist.r_stime++;
 #endif
-- 
cgit v1.2.3