From dfee8238c6aad1f8dedd80eeb4e0a3a652a5f97e Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Wed, 23 Dec 2020 14:45:37 +0400
Subject: [PATCH] Fix crash in legacy groups speaking typings handling.

---
 Telegram/SourceFiles/api/api_updates.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Telegram/SourceFiles/api/api_updates.cpp b/Telegram/SourceFiles/api/api_updates.cpp
index 2449c4fe3..188e06a22 100644
--- a/Telegram/SourceFiles/api/api_updates.cpp
+++ b/Telegram/SourceFiles/api/api_updates.cpp
@@ -928,6 +928,9 @@ void Updates::handleSendActionUpdate(
 	const auto isSpeakingInCall = (action.type()
 		== mtpc_speakingInGroupCallAction);
 	if (isSpeakingInCall) {
+		if (!peer->isChat() && !peer->isChannel()) {
+			return;
+		}
 		const auto call = peer->groupCall();
 		const auto now = crl::now();
 		if (call) {
@@ -943,8 +946,8 @@ void Updates::handleSendActionUpdate(
 				: (channel->flags() & MTPDchannel::Flag::f_call_active);
 			if (active) {
 				_pendingSpeakingCallMembers.emplace(
-					channel).first->second[userId] = now;
-				session().api().requestFullPeer(channel);
+					peer).first->second[userId] = now;
+				session().api().requestFullPeer(peer);
 			}
 		}
 	}