[miio] avoid NPE when rssi is missing (#10854)

Signed-off-by: Marcel Verpaalen <marcel@verpaalen.com>

diff --git a/bundles/org.openhab.binding.miio/src/main/java/org/openhab/binding/miio/internal/MiIoInfoApDTO.java b/bundles/org.openhab.binding.miio/src/main/java/org/openhab/binding/miio/internal/MiIoInfoApDTO.java
index 4343be5ccb714254e22129aa478bef97e56155c0..73104a068eb8992775ab4b9f25bc7721bc5694fc 100644 (file)
--- a/bundles/org.openhab.binding.miio/src/main/java/org/openhab/binding/miio/internal/MiIoInfoApDTO.java
+++ b/bundles/org.openhab.binding.miio/src/main/java/org/openhab/binding/miio/internal/MiIoInfoApDTO.java
@@ -55,7 +55,7 @@ public class MiIoInfoApDTO {
     }
 
     public Long getRssi() {
-        if (rssi.isNumber()) {
+        if (rssi != null && rssi.isNumber()) {
             return rssi.getAsLong();
         }
         return null;