4xm: check that bits per sample is strictly positive

[ffmpeg] / libavformat / 4xm.c

diff --git a/libavformat/4xm.c b/libavformat/4xm.c
index 614b1d5f2a6fcc0091d86df4294051b6ceb1c89f..f003c9c25a4a8e32d4ef75af147f01ea802690a3 100644 (file)
--- a/libavformat/4xm.c
+++ b/libavformat/4xm.c
@@ -146,7 +146,7 @@ static int parse_strk(AVFormatContext *s,
 
     if (fourxm->tracks[track].channels    <= 0 ||
         fourxm->tracks[track].sample_rate <= 0 ||
-        fourxm->tracks[track].bits        < 0) {
+        fourxm->tracks[track].bits        <= 0) {
         av_log(s, AV_LOG_ERROR, "audio header invalid\n");
         return AVERROR_INVALIDDATA;
     }