linux-kernel - Re: [PATCH] usb: typec: mux: Remove the use of dev_err

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Message-ID: <aKbJZa1tQMpf0QWX@kuha.fi.intel.com>
Date: Thu, 21 Aug 2025 10:23:17 +0300
From: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To: Xichao Zhao <zhao.xichao@...o.com>
Cc: romain.gantois@...tlin.com, gregkh@...uxfoundation.org,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: typec: mux: Remove the use of dev_err_probe()

On Tue, Aug 19, 2025 at 07:24:51PM +0800, Xichao Zhao wrote:
> The dev_err_probe() doesn't do anything when error is '-ENOMEM'.
> Therefore, remove the useless call to dev_err_probe(), and just
> return the value instead.
> 
> Signed-off-by: Xichao Zhao <zhao.xichao@...o.com>

Reviewed-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>

> ---
>  drivers/usb/typec/mux/tusb1046.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/typec/mux/tusb1046.c b/drivers/usb/typec/mux/tusb1046.c
> index b4f45c217b59..3c1a4551c2fb 100644
> --- a/drivers/usb/typec/mux/tusb1046.c
> +++ b/drivers/usb/typec/mux/tusb1046.c
> @@ -129,7 +129,7 @@ static int tusb1046_i2c_probe(struct i2c_client *client)
>  
>  	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
>  	if (!priv)
> -		return dev_err_probe(dev, -ENOMEM, "failed to allocate driver data\n");
> +		return -ENOMEM;
>  
>  	priv->client = client;
>  
> -- 
> 2.34.1

-- 
heikki