From ca3fb3ec80c25102ecfed597c3934898c71d30f7 Mon Sep 17 00:00:00 2001
From: kevin <kevin@sunbeam.local>
Date: Wed, 1 May 2013 15:06:05 -0700
Subject: [PATCH] cmRtSys.c: cmRtSysContext() now checks validity of rtSubIdx.

---
 cmRtSys.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cmRtSys.c b/cmRtSys.c
index 5aee4b0..753cd83 100644
--- a/cmRtSys.c
+++ b/cmRtSys.c
@@ -1220,6 +1220,9 @@ cmRtSysCtx_t* cmRtSysContext( cmRtSysH_t h, unsigned rtSubIdx )
   if( _cmRtSysVerifyInit(p,true) != kOkRtRC )
     return NULL;
 
+  if( rtSubIdx >= p->ssCnt )
+    return NULL;
+
   return &p->ssArray[rtSubIdx].ctx;
 }