image_installer: T7394: add system image raise "Error: argument of type 'NoneType' is not iterable"

1 files changed, 2 insertions, 0 deletions

diff --git a/src/op_mode/image_installer.py b/src/op_mode/image_installer.py
index 2660309a5..5d52aabb9 100755
--- a/src/op_mode/image_installer.py
+++ b/src/op_mode/image_installer.py
@@ -491,6 +491,8 @@ def get_cli_kernel_options(config_file: str) -> list:
     config = ConfigTree(read_file(config_file))
     config_dict = loads(config.to_json())
     kernel_options = dict_search('system.option.kernel', config_dict)
+    if kernel_options is None:
+        kernel_options = {}
     cmdline_options = []
 
     # XXX: This code path and if statements must be kept in sync with the Kernel