From: cristy <urban-warrior@git.imagemagick.org>
Date: Wed, 4 Dec 2013 15:17:30 +0000 (+0000)
Subject: (no commit message)
X-Git-Tag: 7.0.1-0~3061
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=31db6c1edc81be5dbcd3a6ffab4b4903d836701f;p=imagemagick

---

diff --git a/coders/jpeg.c b/coders/jpeg.c
index 6436983bc..352b6d57b 100644
--- a/coders/jpeg.c
+++ b/coders/jpeg.c
@@ -2619,6 +2619,8 @@ static MagickBooleanType WriteJPEGImage(const ImageInfo *image_info,
     }
   scanline[0]=(JSAMPROW) jpeg_pixels;
   scale=65535U/GetQuantumRange(jpeg_info.data_precision);
+  if (scale == 0)
+    scale=1; 
   if (jpeg_info.data_precision <= 8)
     {
       if ((jpeg_info.in_color_space == JCS_RGB) ||