linux-kernel - Re: [PATCH v5 1/2] cxl/mbox: Remove redundant dev

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Date:   Wed, 10 May 2023 15:01:40 -0700
From:   Ira Weiny <ira.weiny@...el.com>
To:     Raghu Halharvi <raghuhack78@...il.com>,
        <linux-cxl@...r.kernel.org>,
        Alison Schofield <alison.schofield@...el.com>,
        <ira.weiny@...el.com>, <bwidawsk@...nel.org>,
        <dan.j.williams@...el.com>, <vishal.l.verma@...el.com>
CC:     <linux-kernel@...r.kernel.org>, Dave Jiang <dave.jiang@...el.com>
Subject: Re: [PATCH v5 1/2] cxl/mbox: Remove redundant dev_err() after failed
 mem alloc

Raghu Halharvi wrote:
> Issue found with checkpatch
> 
> A return of errno should be good enough if the memory allocation fails,
> the error message here is redundant as per the coding style, removing it.
> 
> Reviewed-by: Vishal Verma <vishal.l.verma@...el.com>
> Reviewed-by: Dave Jiang <dave.jiang@...el.com>

Reviewed-by: Ira Weiny <ira.weiny@...el.com>

> Signed-off-by: Raghu Halharvi <raghuhack78@...il.com>
> ---
>  drivers/cxl/core/mbox.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/cxl/core/mbox.c b/drivers/cxl/core/mbox.c
> index f2addb457172..11ea145b4b1f 100644
> --- a/drivers/cxl/core/mbox.c
> +++ b/drivers/cxl/core/mbox.c
> @@ -1112,10 +1112,8 @@ struct cxl_dev_state *cxl_dev_state_create(struct device *dev)
>  	struct cxl_dev_state *cxlds;
>  
>  	cxlds = devm_kzalloc(dev, sizeof(*cxlds), GFP_KERNEL);
> -	if (!cxlds) {
> -		dev_err(dev, "No memory available\n");
> +	if (!cxlds)
>  		return ERR_PTR(-ENOMEM);
> -	}
>  
>  	mutex_init(&cxlds->mbox_mutex);
>  	mutex_init(&cxlds->event.log_lock);
> -- 
> 2.39.2
>