From a2f86155a902f8609d49f477aecafec9981dba2b Mon Sep 17 00:00:00 2001
From: Andrea Cavalli <andrea@cavallium.it>
Date: Fri, 25 Dec 2020 19:36:05 +0100
Subject: [PATCH] Replace nullptr

---
 td/telegram/GroupCallManager.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/td/telegram/GroupCallManager.cpp b/td/telegram/GroupCallManager.cpp
index b002e7d04..47b1c92d9 100644
--- a/td/telegram/GroupCallManager.cpp
+++ b/td/telegram/GroupCallManager.cpp
@@ -158,7 +158,9 @@ void GroupCallManager::on_update_group_call(tl_object_ptr<telegram_api::GroupCal
 }
 
 InputGroupCallId GroupCallManager::update_group_call(const tl_object_ptr<telegram_api::GroupCall> &group_call_ptr) {
-  CHECK(group_call_ptr != nullptr);
+  if (group_call_ptr == nullptr) {
+    return {};
+  }
 
   InputGroupCallId call_id;
   GroupCall call;