From b9e4195573da146d48e5921c65dc57273d94ccd2 Mon Sep 17 00:00:00 2001
From: cyberta <cyberta@riseup.net>
Date: Thu, 30 Jan 2020 16:06:30 -0600
Subject: fix possible NPE in SetupTetheringTask

---
 .../main/java/se/leap/bitmaskclient/firewall/SetupTetheringTask.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'app/src')

diff --git a/app/src/main/java/se/leap/bitmaskclient/firewall/SetupTetheringTask.java b/app/src/main/java/se/leap/bitmaskclient/firewall/SetupTetheringTask.java
index 8bb197b1..49febc24 100644
--- a/app/src/main/java/se/leap/bitmaskclient/firewall/SetupTetheringTask.java
+++ b/app/src/main/java/se/leap/bitmaskclient/firewall/SetupTetheringTask.java
@@ -52,7 +52,10 @@ public class SetupTetheringTask extends AsyncTask<Void, Boolean, Boolean> {
         try {
             boolean hasBitmaskChain = runBlockingCmd(bitmaskChain, log) == 0;
             boolean allowSu = log.toString().contains("uid=0");
-            callbackWeakReference.get().onSuRequested(allowSu);
+            FirewallCallback callback = callbackWeakReference.get();
+            if (callback != null) {
+                callback.onSuRequested(allowSu);
+            }
             if (!allowSu) {
                 return false;
             }
-- 
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