Re: [cocci] [PATCH 15/61] trace: Prefer IS_ERR_OR_NULL over manual NULL check

Steven Rostedt <[email protected]> Wed, 11 Mar 2026 10:03:32 -0400
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Message-ID <[email protected]> 
On Wed, 11 Mar 2026 14:13:32 +0900
Masami Hiramatsu (Google) <[email protected]> wrote:

> Hmm, now IS_ERR_OR_NULL() is an inline function, so it is safe.
> But if you want to use IS_ERR_OR_NULL() here, it will be better something like
> 
> node = rhashtable_walk_next(&iter);
> while (!IS_ERR_OR_NULL(node)) {
> 	fprobe_remove_node_in_module(mod, node, &alist);
> 	node = rhashtable_walk_next(&iter);
> }

But now you need to have a duplicate code in order to acquire "node"

I think the patch just makes the code worse.

-- Steve