From 930b9a069a425818d4e9965f53be7df1f4d7d422 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <michel@tungstengraphics.com>
Date: Sat, 24 Jun 2006 15:21:17 +0200
Subject: [PATCH] Bug #6818: Avoid infinite loop in exaLog2() with negative
 arguments.

---
 exa/exa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/exa/exa.c b/exa/exa.c
index 4b96af815..aa5532a98 100644
--- a/exa/exa.c
+++ b/exa/exa.c
@@ -158,7 +158,7 @@ exaLog2(int val)
 {
     int bits;
 
-    if (!val)
+    if (val <= 0)
 	return 0;
     for (bits = 0; val != 0; bits++)
 	val >>= 1;