linux-kernel - Re: [PATCH] mfd: stmpe: Fix a corner case in stmpe

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Message-ID: <20230621174623.GP10378@google.com>
Date:   Wed, 21 Jun 2023 18:46:23 +0100
From:   Lee Jones <lee@...nel.org>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] mfd: stmpe: Fix a corner case in stmpe_probe()

On Sat, 17 Jun 2023, Christophe JAILLET wrote:

> In stmpe_probe(), if some regulator_enable() calls fail, probing continues
> and there is only a dev_warn().
> 
> So, if stmpe_probe() is called the regulator may not be enabled. It is
> cleaner to test it before calling regulator_disable() in the remove
> function.
> 
> Fixes: 9c9e321455fb ("mfd: stmpe: add optional regulators")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
>  drivers/mfd/stmpe.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

Applied, thanks

-- 
Lee Jones [李琼斯]