From bd506da07044bd3e447fe51ce3178da7ba45fb5c Mon Sep 17 00:00:00 2001
From: chenhaibo <nmgchenhaibo@foxmail.com>
Date: Thu, 20 May 2021 15:48:34 +0800
Subject: [PATCH] Fix #2366, bug when disabled gb28181.

---
 AUTHORS.txt                         |  2 +-
 trunk/src/app/srs_app_rtmp_conn.cpp | 10 ++++++----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/AUTHORS.txt b/AUTHORS.txt
index f16b2c853..099d3d620 100644
--- a/AUTHORS.txt
+++ b/AUTHORS.txt
@@ -73,7 +73,7 @@ CONTRIBUTORS ordered by first contribution.
 * liulichuan<liulichuan@kuaishou.com>
 * yapingcat<caoyapingneu@163.com>
 * chenchengbin<chenchengbin@yy.com>
-* chenhaibo<chenhaibo@RD-CHB-0476-01>
+* chenhaibo<nmgchenhaibo@foxmail.com>
 * jasongwq<jasongwq@gmail.com>
 * xialixin<xialixin@kanzhun.com>
 * yinjiaoyuan<yinjiaoyuan@163.com>
diff --git a/trunk/src/app/srs_app_rtmp_conn.cpp b/trunk/src/app/srs_app_rtmp_conn.cpp
index 1f1b256cb..738a0e4a2 100644
--- a/trunk/src/app/srs_app_rtmp_conn.cpp
+++ b/trunk/src/app/srs_app_rtmp_conn.cpp
@@ -961,12 +961,14 @@ srs_error_t SrsRtmpConn::acquire_publish(SrsLiveSource* source)
     
     SrsRequest* req = info->req;
 	
-	// @see https://github.com/ossrs/srs/issues/2364
+    // @see https://github.com/ossrs/srs/issues/2364
     // Check whether GB28181 stream is busy.
 #if defined(SRS_GB28181)
-    SrsGb28181RtmpMuxer* gb28181 = _srs_gb28181->fetch_rtmpmuxer(req->stream);
-    if (gb28181 != NULL) {
-        return srs_error_new(ERROR_SYSTEM_STREAM_BUSY, "gb28181 stream %s busy", req->get_stream_url().c_str());
+    if (_srs_gb28181 != NULL) {
+        SrsGb28181RtmpMuxer* gb28181 = _srs_gb28181->fetch_rtmpmuxer(req->stream);
+        if (gb28181 != NULL) {
+            return srs_error_new(ERROR_SYSTEM_STREAM_BUSY, "gb28181 stream %s busy", req->get_stream_url().c_str());
+        }
     }
 #endif