From 08b294bf5f4e76ca9217e3206224441048d0f843 Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Fri, 24 Nov 2017 17:55:05 -0300
Subject: [PATCH] avformat/isom: return proper error values in
 ff_mp4_read_dec_config_descr

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavformat/isom.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/isom.c b/libavformat/isom.c
index 77983c5eaa..9d9f85885b 100644
--- a/libavformat/isom.c
+++ b/libavformat/isom.c
@@ -524,7 +524,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
     if (tag == MP4DecSpecificDescrTag) {
         av_log(fc, AV_LOG_TRACE, "Specific MPEG-4 header len=%d\n", len);
         if (!len || (uint64_t)len > (1<<30))
-            return -1;
+            return AVERROR_INVALIDDATA;
         av_free(st->codecpar->extradata);
         if ((ret = ff_get_extradata(fc, st->codecpar, pb, len)) < 0)
             return ret;