Skip a useless debug message.

diff --git a/taglib/mpeg/id3v2/id3v2frame.cpp b/taglib/mpeg/id3v2/id3v2frame.cpp
index d065f2ae32be473119b4e6aca378429bf350e8b5..1f896fa6e54c80641e9ffd8ab7f08aea98aef3f5 100644 (file)
--- a/taglib/mpeg/id3v2/id3v2frame.cpp
+++ b/taglib/mpeg/id3v2/id3v2frame.cpp
@@ -252,7 +252,7 @@ ByteVector Frame::fieldData(const ByteVector &frameData) const
     }
 
     const ByteVector outData = zlib::decompress(frameData.mid(frameDataOffset));
-    if(frameDataLength != outData.size()) {
+    if(!outData.isEmpty() && frameDataLength != outData.size()) {
       debug("frameDataLength does not match the data length returned by zlib");
     }