Fixed division by zero in ogg metadata parser and crash when building

tagcache (FS#6099).


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11386 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 6 insertions, 0 deletions

diff --git a/apps/metadata.c b/apps/metadata.c
index 9fbf2e19cd..a4d8ef0f64 100644
--- a/apps/metadata.c
+++ b/apps/metadata.c
@@ -760,6 +760,12 @@ static bool get_vorbis_metadata(int fd, struct mp3entry* id3)
         return false;
     }
 
+    if (id3->length <= 0)
+    {
+        logf("ogg length invalid!");
+        return false;
+    }
+    
     id3->length = (id3->samples / id3->frequency) * 1000;
     id3->bitrate = (((int64_t) id3->filesize - comment_size) * 8) / id3->length;
     id3->vbr = true;