[PATCH master 05/14] Add missing error code

['Klaus Aehlig' via ganeti-devel]

While there, also fix a typo

Signed-off-by: Klaus Aehlig <aeh...@google.com>
---
 lib/cmdlib/common.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/cmdlib/common.py b/lib/cmdlib/common.py
index e072211..49d0d5b 100644
--- a/lib/cmdlib/common.py
+++ b/lib/cmdlib/common.py
@@ -1212,9 +1212,10 @@ def CheckIpolicyVsDiskTemplates(ipolicy, 
enabled_disk_templates):
   allowed_disk_templates = ipolicy[constants.IPOLICY_DTS]
   not_enabled = set(allowed_disk_templates) - set(enabled_disk_templates)
   if not_enabled:
-    raise errors.OpPrereqError("The following disk template are allowed"
+    raise errors.OpPrereqError("The following disk templates are allowed"
                                " by the ipolicy, but not enabled on the"
-                               " cluster: %s" % utils.CommaJoin(not_enabled))
+                               " cluster: %s" % utils.CommaJoin(not_enabled),
+                               errors.ECODE_INVAL)
 
 
 def CheckDiskAccessModeValidity(parameters):
-- 
2.1.0.rc2.206.gedb03e5