Remove return statements following infinite loops without break

These statements cannot be reached and are thus not needed.
This removes a number of compiler warnings.

Signed-off-by: Mans Rullgard <mans@mansr.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/libavformat/mm.c b/libavformat/mm.c
index bea6161315..dae659f3c6 100644
--- a/libavformat/mm.c
+++ b/libavformat/mm.c
@@ -184,8 +184,6 @@ static int read_packet(AVFormatContext *s,
             avio_skip(pb, length);
         }
     }
-
-    return 0;
 }
 
 AVInputFormat ff_mm_demuxer = {