linux-kernel - Re: [PATCH v9 03/16] CXL/AER: Introduce kfifo for forwarding CXL errors

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Message-ID: <aD_hQ7sKu-s7Yxiq@stanley.mountain>
Date: Wed, 4 Jun 2025 09:01:39 +0300
From: Dan Carpenter <dan.carpenter@...aro.org>
To: Terry Bowman <terry.bowman@....com>
Cc: PradeepVineshReddy.Kodamati@....com, dave@...olabs.net,
	jonathan.cameron@...wei.com, dave.jiang@...el.com,
	alison.schofield@...el.com, vishal.l.verma@...el.com,
	ira.weiny@...el.com, dan.j.williams@...el.com, bhelgaas@...gle.com,
	bp@...en8.de, ming.li@...omail.com, shiju.jose@...wei.com,
	Smita.KoralahalliChannabasappa@....com, kobayashi.da-06@...itsu.com,
	yanfei.xu@...el.com, rrichter@....com, peterz@...radead.org,
	colyli@...e.de, uaisheng.ye@...el.com,
	fabio.m.de.francesco@...ux.intel.com, ilpo.jarvinen@...ux.intel.com,
	yazen.ghannam@....com, linux-cxl@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH v9 03/16] CXL/AER: Introduce kfifo for forwarding CXL
 errors

On Tue, Jun 03, 2025 at 12:22:26PM -0500, Terry Bowman wrote:
> +static struct work_struct cxl_prot_err_work;
> +static DECLARE_WORK(cxl_prot_err_work, cxl_prot_err_work_fn);
> +
>  int cxl_ras_init(void)
>  {
> -	return cxl_cper_register_prot_err_work(&cxl_cper_prot_err_work);
> +	int rc;
> +
> +	rc = cxl_cper_register_prot_err_work(&cxl_cper_prot_err_work);
> +	if (rc)
> +		pr_err("Failed to register CPER AER kfifo (%x)", rc);

This shouldn't return rc;?

> +
> +	rc = cxl_register_prot_err_work(&cxl_prot_err_work);
> +	if (rc) {
> +		pr_err("Failed to register native AER kfifo (%x)", rc);
> +		return rc;
> +	}
> +
> +	return 0;
>  }

regards,
dan carpenter