From e9471c7197436e71a0de68b1b548d099dac4966b Mon Sep 17 00:00:00 2001
From: Aaron Brady <abrady@oculus.com>
Date: Fri, 17 Aug 2018 10:06:48 -0700
Subject: [PATCH] fix crash if SonarClient is stopped with no connection

Summary: calling SonarClient::instance()->stop() without a connection will try to deref a null client_

Reviewed By: jknoxville

Differential Revision: D9325527

fbshipit-source-id: b0a81d6eb9d1375b74cbf10466f947e8a2de3b98
---
 xplat/Sonar/SonarWebSocketImpl.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/xplat/Sonar/SonarWebSocketImpl.cpp b/xplat/Sonar/SonarWebSocketImpl.cpp
index 8b31085d6..46727ada0 100644
--- a/xplat/Sonar/SonarWebSocketImpl.cpp
+++ b/xplat/Sonar/SonarWebSocketImpl.cpp
@@ -218,7 +218,9 @@ void SonarWebSocketImpl::reconnect() {
 }
 
 void SonarWebSocketImpl::stop() {
-  client_->disconnect();
+  if (client_) {
+    client_->disconnect();
+  }
   client_ = nullptr;
 }