From 4776c61424fa32394e251e9769e1ad2c2fa55598 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Fri, 13 Oct 2017 18:59:16 +0200
Subject: [PATCH] decode: avoid leaks on failure in ff_get_buffer()

If the get_buffer() call fails, the frame might have some side data
already set. Make sure it gets freed.

Merges Libav commit de77671438c24ffea93398c8dc885d4dd04477de.

Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavcodec/decode.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/decode.c b/libavcodec/decode.c
index 15fc82ad39..86fe5aef52 100644
--- a/libavcodec/decode.c
+++ b/libavcodec/decode.c
@@ -1598,6 +1598,9 @@ end:
         frame->height = avctx->height;
     }
 
+    if (ret < 0)
+        av_frame_unref(frame);
+
     return ret;
 }