mgr/rook: OSD create: Fix broken list-comprehension

Signed-off-by: Sebastian Wagner <sebastian.wagner@suse.com>

diff --git a/src/pybind/mgr/rook/rook_cluster.py b/src/pybind/mgr/rook/rook_cluster.py
index 4fd660430364179cdd6fc3c4fbb704e87cd744e8..daf3c8667b71639104a08365d662edd5625dacaf 100644 (file)
--- a/src/pybind/mgr/rook/rook_cluster.py
+++ b/src/pybind/mgr/rook/rook_cluster.py
@@ -592,7 +592,8 @@ class RookCluster(object):
                         if block_devices:
                             if not hasattr(current_node, 'devices'):
                                 current_node.devices = ccl.DevicesList()
-                            new_devices = list(set(block_devices) - set([d.name for d in current_node.devices]))
+                            current_device_names = set(d.name for d in current_node.devices)
+                            new_devices = [bd for bd in block_devices if bd.path not in current_device_names]
                             current_node.devices.extend(
                                 ccl.DevicesItem(name=n.path) for n in new_devices
                             )