Fix NPE when Thing configuration changes (#12070)

Signed-off-by: Kai Kreuzer <kai@openhab.org>

diff --git a/bundles/org.openhab.binding.tesla/src/main/java/org/openhab/binding/tesla/internal/handler/TeslaVehicleHandler.java b/bundles/org.openhab.binding.tesla/src/main/java/org/openhab/binding/tesla/internal/handler/TeslaVehicleHandler.java
index c557d61a5eb54a29b4e831ccfe303b341123e1f7..83deb99b422f5b0ae36400364290ac2bf1577935 100644 (file)
--- a/bundles/org.openhab.binding.tesla/src/main/java/org/openhab/binding/tesla/internal/handler/TeslaVehicleHandler.java
+++ b/bundles/org.openhab.binding.tesla/src/main/java/org/openhab/binding/tesla/internal/handler/TeslaVehicleHandler.java
@@ -225,7 +225,11 @@ public class TeslaVehicleHandler extends BaseThingHandler {
      * @return the vehicle id
      */
     public String getVehicleId() {
-        return vehicle.id;
+        if (vehicle != null) {
+            return vehicle.id;
+        } else {
+            return null;
+        }
     }
 
     @Override