electronicarts: prevent endless loop opportunity in process_audio_header_elements()

Fixes issue2529. Originally committed as revision 26302 to svn://svn.ffmpeg.org/ffmpeg/trunk
2011-01-10 12:56:50 +00:00 · 2011-01-10 12:56:50 +00:00 · e19e051e56
parent 42396c2e67
commit e19e051e56
1 changed files with 2 additions and 0 deletions
--- a/libavformat/electronicarts.c
+++ b/libavformat/electronicarts.c
@ -113,6 +113,8 @@ static int process_audio_header_elements(AVFormatContext *s)
        int inSubheader;
        uint8_t byte;
        byte = get_byte(pb);
+        if (!byte)
+            break;

        switch (byte) {
        case 0xFD: