From 44ef490e9a16b774af9b51c47e4f53c2265e5f44 Mon Sep 17 00:00:00 2001
From: Vegard Storheil Eriksen <zyp@jvnv.net>
Date: Mon, 10 Oct 2011 00:18:56 +0200
Subject: Avoid PPMSum buffer overrun.

---
 ppmsum.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ppmsum.cpp b/ppmsum.cpp
index 927efa8..506b964 100644
--- a/ppmsum.cpp
+++ b/ppmsum.cpp
@@ -36,6 +36,7 @@ void PPMSum::irq() {
 			index = 0;
 		} else {
 			index++;
+			index &= 0xf;
 		}
 		
 	} else if(sr & 0x04) {
-- 
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