From 1d54be215309b8aa71a51826e4b0a1660fef9f93 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Fri, 17 Feb 2017 00:46:14 +0100
Subject: [PATCH] lavc/avpacket: Initialize a variable in error path.

Fixes ticket #6153.

Tested-by: Tyson Smith
---
 libavcodec/avpacket.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/avpacket.c b/libavcodec/avpacket.c
index 24b4efb956..8e028a2a6c 100644
--- a/libavcodec/avpacket.c
+++ b/libavcodec/avpacket.c
@@ -348,6 +348,8 @@ uint8_t *av_packet_get_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
             return pkt->side_data[i].data;
         }
     }
+    if (size)
+        *size = 0;
     return NULL;
 }