From e3469649f710c31ffe56ade557362faf000f9e84 Mon Sep 17 00:00:00 2001
From: Michael Kirk <michael.code@endoftheworl.de>
Date: Thu, 1 Feb 2018 16:49:54 -0800
Subject: [PATCH] Fix receiving calls

// FREEBIE
---
 Signal/src/call/CallService.swift | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Signal/src/call/CallService.swift b/Signal/src/call/CallService.swift
index 5c4b4f826..14295a942 100644
--- a/Signal/src/call/CallService.swift
+++ b/Signal/src/call/CallService.swift
@@ -584,8 +584,13 @@ protocol CallServiceObserver: class {
 
         self.call = newCall
 
-        var backgroundTask = OWSBackgroundTask(label:"\(#function)", completionBlock: { [weak self] _ in
+        var backgroundTask = OWSBackgroundTask(label:"\(#function)", completionBlock: { [weak self] status in
             AssertIsOnMainThread()
+
+            guard status == .expired else {
+                return
+            }
+
             guard let strongSelf = self else {
                 return
             }