(no commit message)

diff --git a/coders/pnm.c b/coders/pnm.c
index ac74d61d8cbb3a06cb52593bbb1755f7cb3afa43..3182e56ddbae0079399ce4c46043a9712149aa30 100644 (file)
--- a/coders/pnm.c
+++ b/coders/pnm.c
@@ -404,7 +404,7 @@ static Image *ReadPNMImage(const ImageInfo *image_info,ExceptionInfo *exception)
       ThrowReaderException(CorruptImageError,"NegativeOrZeroImageSize");
     if (max_value >= 65536)
       ThrowReaderException(CorruptImageError,"ImproperImageHeader");
-    for (depth=1; GetQuantumRange(depth) <= max_value; depth++) ;
+    for (depth=1; GetQuantumRange(depth) < max_value; depth++) ;
     image->depth=depth;
     if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
       if (image->scene >= (image_info->scene+image_info->number_scenes-1))