linux-kernel - Re: [PATCH v29 09/13] mm/damon/dbgfs: Support multiple contexts

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Message-Id: <20210614093502.16797-1-sjpark@amazon.de>
Date:   Mon, 14 Jun 2021 09:35:02 +0000
From:   SeongJae Park <sj38.park@...il.com>
To:     sieberf@...zon.com
Cc:     sj38.park@...il.com, Jonathan.Cameron@...wei.com, acme@...nel.org,
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Subject: Re: [PATCH v29 09/13] mm/damon/dbgfs: Support multiple contexts

From: SeongJae Park <sjpark@...zon.de>

On Mon, 14 Jun 2021 11:30:12 +0200 <sieberf@...zon.com> wrote:

> +    new_dir = debugfs_create_dir(name, root);
> +    dbgfs_dirs[dbgfs_nr_ctxs] = new_dir;
> 
> debugfs_create_dir might return ERR_PTR, should this be checked?

Greg, the maintainer of debugfs, recommended to just ignore that:
https://lore.kernel.org/linux-mm/YB1kZaD%2F7omxXztF@kroah.com/


Thanks,
SeongJae Park