allocate enough bytes

Originally committed as revision 1908 to svn://svn.ffmpeg.org/ffmpeg/trunk
22 years ago · 5a634a6952
parent 59fcece910
commit 5a634a6952
1 changed files with 3 additions and 2 deletions
--- a/libavformat/4xm.c
+++ b/libavformat/4xm.c
@ -151,8 +151,9 @@ static int fourxm_read_header(AVFormatContext *s,
            }
            current_track = LE_32(&header[i + 8]);
            if (current_track + 1 > fourxm->track_count) {
-                fourxm->track_count++;
-                fourxm->tracks = av_realloc(fourxm->tracks, fourxm->track_count);
+                fourxm->track_count = current_track + 1;
+                fourxm->tracks = av_realloc(fourxm->tracks, 
+                    fourxm->track_count * sizeof(AudioTrack));
                if (!fourxm->tracks) {
                    av_free(header);
                    return AVERROR_NOMEM;