am 95ef5575: Prevent NPE in onActivityResult

* commit '95ef5575a2b70d8c018f99b218353c925a70d418':
  Prevent NPE in onActivityResult
diff --git a/src/com/android/settings/CryptKeeperSettings.java b/src/com/android/settings/CryptKeeperSettings.java
index 01ef3f2..10fa8ac 100644
--- a/src/com/android/settings/CryptKeeperSettings.java
+++ b/src/com/android/settings/CryptKeeperSettings.java
@@ -31,6 +31,7 @@
 import android.os.Bundle;
 import android.preference.Preference;
 import android.preference.PreferenceActivity;
+import android.text.TextUtils;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -184,9 +185,11 @@
 
         // If the user entered a valid keyguard trace, present the final
         // confirmation prompt; otherwise, go back to the initial state.
-        if (resultCode == Activity.RESULT_OK) {
+        if (resultCode == Activity.RESULT_OK && data != null) {
             String password = data.getStringExtra("password");
-            showFinalConfirmation(password);
+            if (!TextUtils.isEmpty(password)) {
+                showFinalConfirmation(password);
+            }
         }
     }