Fix NPE when checking CA cert aliases

Bug: 279474188
Test: atest SavedNetworkTrackerTest
Change-Id: I7b33aa77adb344b730fef992c18189c96ad257d6

1 files changed, 5 insertions, 3 deletions

diff --git a/libs/WifiTrackerLib/src/com/android/wifitrackerlib/SavedNetworkTracker.java b/libs/WifiTrackerLib/src/com/android/wifitrackerlib/SavedNetworkTracker.java
index 20f5fac25..cf6288a2f 100644
--- a/libs/WifiTrackerLib/src/com/android/wifitrackerlib/SavedNetworkTracker.java
+++ b/libs/WifiTrackerLib/src/com/android/wifitrackerlib/SavedNetworkTracker.java
@@ -170,9 +170,11 @@ public class SavedNetworkTracker extends BaseWifiTracker {
         }
 
         String[] aliases = ec.getCaCertificateAliases();
-        for (String s: aliases) {
-            if (!TextUtils.isEmpty(s) && certAlias.equals(s)) {
-                return true;
+        if (aliases != null) {
+            for (String s: aliases) {
+                if (!TextUtils.isEmpty(s) && certAlias.equals(s)) {
+                    return true;
+                }
             }
         }
         String clientAlias = ec.getClientCertificateAlias();