From 8048a89d5e1a71c973f23b80e3c36a5be85d8ce2 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 7b616db9d..4bb260598 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
 }