Incorrect check in gxf demuxer leading to crash with textKO.gxf sample file

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@19187 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 1 insertions, 1 deletions

diff --git a/libmpdemux/demux_mpg.c b/libmpdemux/demux_mpg.c
index 680ce1d7c3..3dd9d1f1ce 100644
--- a/libmpdemux/demux_mpg.c
+++ b/libmpdemux/demux_mpg.c
@@ -576,7 +576,7 @@ static int demux_mpg_gxf_fill_buffer(demuxer_t *demux, demux_stream_t *ds) {
       state = state << 8 | buf[pos];
       if (unlikely((state | 3) == 0x1bf))
         pos = find_end(&buf, pos, demux->stream);
-    } while (++pos);
+    } while (++pos < 0);
     demux->priv = (void *)state;
     len = buf - pack->buffer;
   }