flacdec: fix theoretical integer overflow

This code isn't actually used at the moment, unsure if I should
just remove it or not...

Coverity 1139811

diff --git a/ext/flac/gstflacdec.c b/ext/flac/gstflacdec.c
index 08a93bd242c20cc3f24399ac9f2c638f71a97119..3537fc2506c7cfcd8a5dd40bf4284b958d9b1f47 100644 (file)
--- a/ext/flac/gstflacdec.c
+++ b/ext/flac/gstflacdec.c
@@ -421,7 +421,7 @@ gst_flac_dec_scan_got_frame (GstFlacDec * flacdec, guint8 * data, guint size,
   }
 
   if (flacdec->min_blocksize == flacdec->max_blocksize) {
   }
 
   if (flacdec->min_blocksize == flacdec->max_blocksize) {

-    *last_sample_num = (val + 1) * flacdec->min_blocksize;
+    *last_sample_num = ((guint64) val + 1) * flacdec->min_blocksize;

   } else {
     *last_sample_num = 0;       /* FIXME: + length of last block in samples */
   }
   } else {
     *last_sample_num = 0;       /* FIXME: + length of last block in samples */
   }