Fixed bug with update errors not being reported.

dnsupdate.py

@@ -155,7 +155,6 @@ def update(msg):
   import dns.query
   import dns.tsigkeyring
   import dns.update
-  
   # The name of the key and the secret
   keyring = dns.tsigkeyring.from_text({
       msg['keyname']: msg['keysecret']
@@ -174,9 +173,9 @@ def update(msg):
   try: 
     response = dns.query.tcp(update, '217.78.32.198')
   except:
-    msg['error'].append("An error has occurred, check your keyname and keysecret.")
+    msg['error'].append("An error occurred in the server communication.")
     return 
-  
+ 
   # Verify response
   if not msg.has_key('quiet'):
     if response.rcode() == 0:
@@ -247,7 +246,7 @@ if __name__=="__main__":
   err = checkerror(msg)
   if err == 0:
     update(msg)
-    checkerror(msg)
+    err = checkerror(msg)
     if err == 0:
       sys.exit(0)