From 2f22a3d38b43089a4579415d5947ce5f33e31e46 Mon Sep 17 00:00:00 2001
From: winlin <winlin@vip.126.com>
Date: Sun, 30 Aug 2020 12:43:55 +0800
Subject: [PATCH] For #1926, refine code

---
 trunk/src/app/srs_app_gb28181.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/trunk/src/app/srs_app_gb28181.cpp b/trunk/src/app/srs_app_gb28181.cpp
index 6414999ae..601385e61 100644
--- a/trunk/src/app/srs_app_gb28181.cpp
+++ b/trunk/src/app/srs_app_gb28181.cpp
@@ -1810,7 +1810,7 @@ void SrsGb28181RtmpMuxer::close()
     h264_pps = "";
     aac_specific_config = "";
 
-    if (source_publish && NULL!=source){
+    if (source_publish && source){
         source->on_unpublish();
     }
 }