From e3694478a98bc2cd702b3b3f0bfb19a100da737e Mon Sep 17 00:00:00 2001
From: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Date: Mon, 5 Dec 2016 22:56:36 +0100
Subject: [PATCH] yuv4mpegdec: fix leaking pkt in yuv4_read_packet

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
---
 libavformat/yuv4mpegdec.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/libavformat/yuv4mpegdec.c b/libavformat/yuv4mpegdec.c
index a91645f6d6..462b823860 100644
--- a/libavformat/yuv4mpegdec.c
+++ b/libavformat/yuv4mpegdec.c
@@ -295,9 +295,10 @@ static int yuv4_read_packet(AVFormatContext *s, AVPacket *pkt)
     ret = av_get_packet(s->pb, pkt, s->packet_size - Y4M_FRAME_MAGIC_LEN);
     if (ret < 0)
         return ret;
-    else if (ret != s->packet_size - Y4M_FRAME_MAGIC_LEN)
+    else if (ret != s->packet_size - Y4M_FRAME_MAGIC_LEN) {
+        av_packet_unref(pkt);
         return s->pb->eof_reached ? AVERROR_EOF : AVERROR(EIO);
-
+    }
     pkt->stream_index = 0;
     pkt->pts = (off - s->internal->data_offset) / s->packet_size;
     pkt->duration = 1;