From db5604ac26f06be34030c8ae8040c19d549280f1 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Fri, 25 Aug 2017 09:49:01 +0200
Subject: [PATCH] avfilter/af_join: check ff_insert_inpad() for failure

Signed-off-by: Paul B Mahol <onemda@gmail.com>
---
 libavfilter/af_join.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libavfilter/af_join.c b/libavfilter/af_join.c
index 74ecce052d..f8af0a1804 100644
--- a/libavfilter/af_join.c
+++ b/libavfilter/af_join.c
@@ -232,7 +232,10 @@ static av_cold int join_init(AVFilterContext *ctx)
 
         pad.needs_fifo = 1;
 
-        ff_insert_inpad(ctx, i, &pad);
+        if ((ret = ff_insert_inpad(ctx, i, &pad)) < 0) {
+            av_freep(&pad.name);
+            return ret;
+        }
     }
 
     return 0;