don't alloc/free NULL

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5470 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 1 insertions, 1 deletions

diff --git a/libmpdemux/demuxer.h b/libmpdemux/demuxer.h
index 5547c41642..b0ccc2f518 100644
--- a/libmpdemux/demuxer.h
+++ b/libmpdemux/demuxer.h
@@ -118,7 +118,7 @@ typedef struct demuxer_st {
 inline static demux_packet_t* new_demux_packet(int len){
   demux_packet_t* dp=malloc(sizeof(demux_packet_t));
   dp->len=len;
-  dp->buffer=malloc(len);
+  dp->buffer=len?malloc(len):NULL;
   dp->next=NULL;
   dp->pts=0;
   dp->pos=0;