linux-kernel - Re: [PATCH net-next v4 08/12] net: ethernet: oa_tc6: implement transmit path to transfer tx ethernet frames

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Date: Wed, 24 Apr 2024 02:02:38 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, horms@...nel.org, saeedm@...dia.com,
	anthony.l.nguyen@...el.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, corbet@....net,
	linux-doc@...r.kernel.org, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
	devicetree@...r.kernel.org, horatiu.vultur@...rochip.com,
	ruanjinjie@...wei.com, steen.hegelund@...rochip.com,
	vladimir.oltean@....com, UNGLinuxDriver@...rochip.com,
	Thorsten.Kummermehr@...rochip.com, Pier.Beruto@...emi.com,
	Selvamani.Rajagopal@...emi.com, Nicolas.Ferre@...rochip.com,
	benjamin.bigler@...nformulastudent.ch
Subject: Re: [PATCH net-next v4 08/12] net: ethernet: oa_tc6: implement
 transmit path to transfer tx ethernet frames

> +static int oa_tc6_process_extended_status(struct oa_tc6 *tc6)
> +{
> +	u32 value;
> +	int ret;
> +
> +	ret = oa_tc6_read_register(tc6, OA_TC6_REG_STATUS0, &value);
> +	if (ret) {
> +		netdev_err(tc6->netdev, "STATUS0 register read failed: %d\n",
> +			   ret);
> +		return -ENODEV;
> +	}
> +
> +	/* Clear the error interrupts status */
> +	ret = oa_tc6_write_register(tc6, OA_TC6_REG_STATUS0, value);
> +	if (ret) {
> +		netdev_err(tc6->netdev, "STATUS0 register write failed: %d\n",
> +			   ret);
> +		return -ENODEV;

More examples where you replace one error code with a different one.

     Andrew