Merge pull request #237 from Unity-Technologies/fix-crash-ios

Fix occasional crash on iOS

Author: aurimasc

com.unity.mobile.notifications/CHANGELOG.md

@@ -2,6 +2,11 @@
 
 All notable changes to this package will be documented in this file.
 
+## [Unreleased]
+
+### Fixes:
+- [iOS] - Fix occasional crash when registering for push notifications.
+
 ## [2.1.0] - 2022-09-23
 
 ### Changes & Improvements:

com.unity.mobile.notifications/Runtime/iOS/Plugins/UnityNotificationManager.m

@@ -52,13 +52,14 @@ - (void)finishRemoteNotificationRegistration:(UNAuthorizationStatus)status notif
 {
     struct iOSNotificationAuthorizationData authData;
     authData.granted = status == UNAuthorizationStatusAuthorized;
+    authData.error = NULL;
+    authData.deviceToken = NULL;
     NSString* deviceToken = nil;
     if (authData.granted)
     {
         deviceToken = [UnityNotificationManager deviceTokenFromNotification: notification];
         authData.deviceToken = [deviceToken UTF8String];
     }
-    authData.error = NULL;
 
     [_lock lock];
     _remoteNotificationsRegistered = status;