[PATCH net-next 03/11] tools: ynl-gen: add sub-type check

[Donald Hunter]

Asbjørn Sloth Tønnesen <ast at fiberby.net> writes:

> Add a check to verify that the sub-type is "nest", and throw an
> exception if no policy could be generated, as a guard to prevent
> against generating a bad policy.
>
> This is a trivial patch with no behavioural changes intended.
>
> Signed-off-by: Asbjørn Sloth Tønnesen <ast at fiberby.net>

Reviewed-by: Donald Hunter <donald.hunter at gmail.com>