* avoid negative numbers as well

Originally committed as revision 1134 to svn://svn.ffmpeg.org/ffmpeg/trunk

* avoid negative numbers as well
Originally committed as revision 1134 to svn://svn.ffmpeg.org/ffmpeg/trunk
f408fc67 · Zdenek Kabelac · dd3be2c9 · f408fc67
Commit f408fc67 authored Oct 31, 2002 by Zdenek Kabelac
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wmadec.c libavcodec/wmadec.c +1 -1

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--- a/libavcodec/wmadec.c
+++ b/libavcodec/wmadec.c
@@ -1282,7 +1282,7 @@ static int wma_decode_superframe(AVCodecContext *avctx,
        s->last_bitoffset = pos & 7;
        pos >>= 3;
        len = buf_size - pos;
-        if (len > MAX_CODED_SUPERFRAME_SIZE) {
+        if (len > MAX_CODED_SUPERFRAME_SIZE || len < 0) {
            return -1;
        }
        s->last_superframe_len = len;