linux-kernel - Re: [PATCH] i2c-mux-reg: Delete an error message for a failed memory allocation in i2c_mux_reg_probe

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Date:   Thu, 1 Feb 2018 17:46:25 +0100
From:   Alexander Sverdlin <alexander.sverdlin@...ia.com>
To:     SF Markus Elfring <elfring@...rs.sourceforge.net>,
        <linux-i2c@...r.kernel.org>, Peter Rosin <peda@...ntia.se>,
        Wolfram Sang <wsa@...-dreams.de>,
        York Sun <yorksun@...escale.com>
CC:     LKML <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>
Subject: Re: [PATCH] i2c-mux-reg: Delete an error message for a failed memory
 allocation in i2c_mux_reg_probe_dt()

On 01/02/18 17:24, SF Markus Elfring wrote:
> Omit an extra message for a memory allocation failure in this function.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>

Reviewed-by: Alexander Sverdlin <alexander.sverdlin@...ia.com>

> ---
>  drivers/i2c/muxes/i2c-mux-reg.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/i2c/muxes/i2c-mux-reg.c b/drivers/i2c/muxes/i2c-mux-reg.c
> index c948e5a4cb04..f624ed64a47b 100644
> --- a/drivers/i2c/muxes/i2c-mux-reg.c
> +++ b/drivers/i2c/muxes/i2c-mux-reg.c
> @@ -127,10 +127,8 @@ static int i2c_mux_reg_probe_dt(struct regmux *mux,
>  	values = devm_kzalloc(&pdev->dev,
>  			      sizeof(*mux->data.values) * mux->data.n_values,
>  			      GFP_KERNEL);
> -	if (!values) {
> -		dev_err(&pdev->dev, "Cannot allocate values array");
> +	if (!values)
>  		return -ENOMEM;
> -	}
>  
>  	for_each_child_of_node(np, child) {
>  		of_property_read_u32(child, "reg", values + i);

-- 
Best regards,
Alexander Sverdlin.