From: Lee Jones <lee.jones@linaro.org>
To: Amelie Delaunay <amelie.delaunay@st.com>
Cc: Alexandre Torgue <alexandre.torgue@st.com>,
linux-kernel@vger.kernel.org,
Krzysztof Kozlowski <krzk@kernel.org>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/1] mfd: stmfx: fix dev_err_probe call in stmfx_chip_init
Date: Fri, 13 Nov 2020 10:09:19 +0000 [thread overview]
Message-ID: <20201113100919.GC3718728@dell> (raw)
In-Reply-To: <20201110080400.7207-1-amelie.delaunay@st.com>
On Tue, 10 Nov 2020, Amelie Delaunay wrote:
> ret may be 0 so, dev_err_probe should be called only when ret is an error
> code.
>
> Fixes: 41c9c06c491a ("mfd: stmfx: Simplify with dev_err_probe()")
> Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
> ---
> drivers/mfd/stmfx.c | 5 ++---
> 1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mfd/stmfx.c b/drivers/mfd/stmfx.c
> index 5e680bfdf5c9..360fb4646688 100644
> --- a/drivers/mfd/stmfx.c
> +++ b/drivers/mfd/stmfx.c
> @@ -329,12 +329,11 @@ static int stmfx_chip_init(struct i2c_client *client)
>
> stmfx->vdd = devm_regulator_get_optional(&client->dev, "vdd");
> ret = PTR_ERR_OR_ZERO(stmfx->vdd);
> - if (ret == -ENODEV) {
> + if (ret == -ENODEV)
> stmfx->vdd = NULL;
> - } else {
> + else if (ret)
> return dev_err_probe(&client->dev, ret,
> "Failed to get VDD regulator\n");
> - }
Probably nicer to keep all of the error handing in one area, like:
if (ret) {
if (ret == -ENODEV)
stmfx->vdd = NULL;
else
return dev_err_probe(&client->dev, ret,
"Failed to get VDD regulator\n");
}
I'll let you make the call though.
--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog
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next prev parent reply other threads:[~2020-11-13 10:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-10 8:04 [PATCH 1/1] mfd: stmfx: fix dev_err_probe call in stmfx_chip_init Amelie Delaunay
2020-11-13 10:09 ` Lee Jones [this message]
2020-11-13 12:28 ` Amelie DELAUNAY
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