From 20681abcdcaabaee9e8f31ab9898896fa036778c Mon Sep 17 00:00:00 2001
From: shishirng <shishir@livekit.io>
Date: Fri, 27 May 2022 12:54:19 -0400
Subject: [PATCH] handle data race between updateState and OnStateChange (#727)

Signed-off-by: shishir gowda <shishir@livekit.io>
---
 pkg/rtc/participant.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkg/rtc/participant.go b/pkg/rtc/participant.go
index bab1aa124..bfa10878b 100644
--- a/pkg/rtc/participant.go
+++ b/pkg/rtc/participant.go
@@ -431,6 +431,8 @@ func (p *ParticipantImpl) OnTrackPublished(callback func(types.LocalParticipant,
 }
 
 func (p *ParticipantImpl) OnStateChange(callback func(p types.LocalParticipant, oldState livekit.ParticipantInfo_State)) {
+	p.lock.Lock()
+	defer p.lock.Unlock()
 	p.onStateChange = callback
 }