Re: [v2] coccinelle: semantic code search for missing of_node_put

From: Markus Elfring
Date: Thu Jul 04 2019 - 02:28:46 EST


> We tested and found that both <...x...> and <+... x ...+> variants work fine.

Is the difference in the functionality from this SmPL construct clear already?


> We use <... x ...> instead of <+... x ...+> here to eliminate the following false positives:

Do we stumble on another software design challenge?

For which function parameter will the specified variable be required finally?


> 486 asd = v4l2_async_notifier_add_fwnode_subdev(
> 487 &camss->notifier, of_fwnode_handle(remote), ---> v4l2_async_notifier_add_fwnode_subdev will pass remote to camss->notifier.
> 488 sizeof(*csd));

Should any more special cases be taken better into account?

Regards,
Markus