From 9f023017abedb56ed7cae9cdd888e05db7114c20 Mon Sep 17 00:00:00 2001
From: Steven Liu <lq@chinaffmpeg.org>
Date: Thu, 10 Oct 2019 10:55:29 +0800
Subject: [PATCH] avformat/sapdec: check av_strdup() return value and fix
 memleak

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
---
 libavformat/sapdec.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavformat/sapdec.c b/libavformat/sapdec.c
index eddeddeaea..f8bc0d281c 100644
--- a/libavformat/sapdec.c
+++ b/libavformat/sapdec.c
@@ -142,6 +142,10 @@ static int sap_read_header(AVFormatContext *s)
         }
 
         sap->sdp = av_strdup(&recvbuf[pos]);
+        if (!sap->sdp) {
+            ret = AVERROR(ENOMEM);
+            goto fail;
+        }
         break;
     }