avoiding annoying "payload 'None' possibly..." in case where payload is not specified

stamparm · stamparm · commit 0ae74f27e4fd · 2011-04-11T15:24:52.000Z
diff --git a/lib/utils/checkpayload.py b/lib/utils/checkpayload.py
@@ -33,6 +33,9 @@ def checkPayload(payload):
     PHPIDS filter rules
     """
 
+    if not payload:
+        return
+
     global rules
 
     detected = False
