From 876563ced0219bb2fac1d323a3c3f79ac3141455 Mon Sep 17 00:00:00 2001
From: Stephan Binner <stephan.binner@basyskom.com>
Date: Mon, 3 Apr 2017 20:47:20 +0200
Subject: [PATCH] No divide by zero if all imageformat features are disabled

Change-Id: Ib3e8a4b62ae627bc3dc8541767dafff4e493d2f8
Reviewed-by: Tasuku Suzuki <tasuku.suzuki@qt.io>
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
---
 src/gui/image/qimagereader.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gui/image/qimagereader.cpp b/src/gui/image/qimagereader.cpp
index 2f25f4dcbc..d01f0d640b 100644
--- a/src/gui/image/qimagereader.cpp
+++ b/src/gui/image/qimagereader.cpp
@@ -471,7 +471,8 @@ static QImageIOHandler *createReadHandlerHelper(QIODevice *device,
 
             --numFormats;
             ++currentFormat;
-            currentFormat %= _qt_NumFormats;
+            if (currentFormat >= _qt_NumFormats)
+                currentFormat = 0;
         }
     }