https://imagemagick.org/discourse-server/viewtopic.php?f=1&t=35192

diff --git a/coders/miff.c b/coders/miff.c
index f3d390bc3ed69a1eb2265c6b6b47283033cdb3a1..f3815f68375d64457784f6b3506a6153f0f91c4b 100644 (file)
--- a/coders/miff.c
+++ b/coders/miff.c
@@ -2598,7 +2598,7 @@ static MagickBooleanType WriteMIFFImage(const ImageInfo *image_info,
             bzip_info.avail_out=(unsigned int) BZipMaxExtent(packet_size*
               image->columns);
             code=BZ2_bzCompress(&bzip_info,BZ_FLUSH);
-            if (code != BZ_OK)
+            if (code < 0)
               status=MagickFalse;
             length=(size_t) (bzip_info.next_out-(char *) compress_pixels);
             if (length != 0)