linux-kernel - Re: [PATCH 4.19 066/133] regmap: debugfs: Dont sleep while atomic for fast

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Message-ID: <20200722120930.GB25691@duo.ucw.cz>
Date:   Wed, 22 Jul 2020 14:09:30 +0200
From:   Pavel Machek <pavel@...x.de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Douglas Anderson <dianders@...omium.org>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 4.19 066/133] regmap: debugfs: Dont sleep while atomic
 for fast_io regmaps

Hi!

> From: Douglas Anderson <dianders@...omium.org>
> 
> [ Upstream commit 299632e54b2e692d2830af84be51172480dc1e26 ]
>

> +	err = kstrtobool_from_user(user_buf, count, &new_val);
> +	/* Ignore malforned data like debugfs_write_file_bool() */

> +	err = kstrtobool_from_user(user_buf, count, &new_val);
> +	/* Ignore malforned data like debugfs_write_file_bool() */

I guess that should be "malformed" in both cases.

Plus it would not be bad to share code between those two functions, as
they are pretty much identical...

Best regards,
								Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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