[patch lnst 2/3] NetConfigDevice: Allow team device to be created without config

[Jiri Pirko]

From: Jiri Pirko <jiri(a)mellanox.com&gt;

In prepare_json_str, just return valid empty JSON string then no config
is set.

Signed-off-by: Jiri Pirko <jiri(a)mellanox.com&gt;
---
 lnst/Slave/NetConfigDevice.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lnst/Slave/NetConfigDevice.py b/lnst/Slave/NetConfigDevice.py
index 85eef7f..809c0c5 100644
--- a/lnst/Slave/NetConfigDevice.py
+++ b/lnst/Slave/NetConfigDevice.py
@@ -283,7 +283,7 @@ class NetConfigDeviceVlan(NetConfigDeviceGeneric):
 
 def prepare_json_str(json_str):
     if not json_str:
-        return ""
+        return "{}"
     json_str = json_str.replace('"', '\\"')
     json_str = re.sub('\s+', ' ', json_str)
     return json_str
-- 
2.4.3