netdev - Re: [PATCH 1/2] proc: revalidate directories created with proc_net

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Date:   Sun, 7 Jul 2019 02:03:20 +0100
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Alexey Dobriyan <adobriyan@...il.com>
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        Per.Hallsmark@...driver.com
Subject: Re: [PATCH 1/2] proc: revalidate directories created with
 proc_net_mkdir()

On Sat, Jul 06, 2019 at 07:52:02PM +0300, Alexey Dobriyan wrote:
> +struct proc_dir_entry *_proc_mkdir(const char *name, umode_t mode,
> +				   struct proc_dir_entry **parent, void *data)

	Two underscores, please...

> +	parent->nlink++;
> +	pde = proc_register(parent, pde);
> +	if (!pde)
> +		parent->nlink++;

	Really?