From 9e618910ac4eca99a1037071afb51a3aea5de64d Mon Sep 17 00:00:00 2001
From: aler9 <46489434+aler9@users.noreply.github.com>
Date: Tue, 4 May 2021 16:05:01 +0200
Subject: [PATCH] server: fix race condition

---
 serverconn.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/serverconn.go b/serverconn.go
index 068573b1..3bd84cb9 100644
--- a/serverconn.go
+++ b/serverconn.go
@@ -175,18 +175,23 @@ func (sc *ServerConn) run() {
 				sc.tcpFrameWriteBuffer.Close()
 				<-sc.tcpFrameBackgroundWriteDone
 			}
+
 			sc.nconn.Close()
 			sc.s.connClose <- sc
+
 			<-sc.terminate
+
 			return err
 
 		case <-sc.terminate:
+			sc.nconn.Close()
+			<-readDone
+
 			if sc.tcpFrameEnabled {
 				sc.tcpFrameWriteBuffer.Close()
 				<-sc.tcpFrameBackgroundWriteDone
 			}
-			sc.nconn.Close()
-			<-readDone
+
 			return liberrors.ErrServerTerminated{}
 		}
 	}()