pybind: fix handling bad cmd json

The 'save_exception' local would otherwise
be referenced before assignment during
exception handling.

Signed-off-by: John Spray <john.spray@redhat.com>

diff --git a/src/pybind/ceph_argparse.py b/src/pybind/ceph_argparse.py
index 580566a42d8e82755cd94733ea9dca143f660314..8f4786d53cd2942426bb7acf07b3f6dccba46879 100644 (file)
--- a/src/pybind/ceph_argparse.py
+++ b/src/pybind/ceph_argparse.py
@@ -904,6 +904,8 @@ def validate(args, signature, partial=False):
     reqsiglen = len([desc for desc in mysig if desc.req])
     matchcnt = 0
     d = dict()
+    save_exception = None
+
     for desc in mysig:
         setattr(desc, 'numseen', 0)
         while desc.numseen < desc.n: