linux-kernel - RE: [PATCH net-next v2] net: enetc: Remove error print for devm_add_action_or

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Message-ID:
 <PAXPR04MB85106B490CE2569F661F5F538822A@PAXPR04MB8510.eurprd04.prod.outlook.com>
Date: Tue, 5 Aug 2025 09:41:34 +0000
From: Wei Fang <wei.fang@....com>
To: Waqar Hameed <waqar.hameed@...s.com>
CC: "kernel@...s.com" <kernel@...s.com>, "imx@...ts.linux.dev"
	<imx@...ts.linux.dev>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Claudiu Manoil
	<claudiu.manoil@....com>, Vladimir Oltean <vladimir.oltean@....com>, Clark
 Wang <xiaoning.wang@....com>, Andrew Lunn <andrew+netdev@...n.ch>, "David S.
 Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub
 Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>
Subject: RE: [PATCH net-next v2] net: enetc: Remove error print for
 devm_add_action_or_reset()

> When `devm_add_action_or_reset()` fails, it is due to a failed memory
> allocation and will thus return `-ENOMEM`. `dev_err_probe()` doesn't do
> anything when error is `-ENOMEM`. Therefore, remove the useless call to
> `dev_err_probe()` when `devm_add_action_or_reset()` fails, and just
> return the value instead.
>
> Signed-off-by: Waqar Hameed <waqar.hameed@...s.com>
> ---
> Changes in v2:
>
> * Split the patch to one seperate patch for each sub-system.
>
> Link to v1:
> https://lore.kern/
> el.org%2Fall%2Fpnd7c0s6ji2.fsf%40axis.com%2F&data=05%7C02%7Cwei.fang%
> 40nxp.com%7C5c6c1234f2944165bdbe08ddd4032c43%7C686ea1d3bc2b4c6fa9
> 2cd99c5c301635%7C0%7C0%7C638899832279054100%7CUnknown%7CTWFpb
> GZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIs
> IkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=7ejNp6ZnP7B9o
> gBefpQdq1%2BGCH9vqHogvsU%2FcJZbWzo%3D&reserved=0
>
>  drivers/net/ethernet/freescale/enetc/enetc4_pf.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/freescale/enetc/enetc4_pf.c
> b/drivers/net/ethernet/freescale/enetc/enetc4_pf.c
> index b3dc1afeefd1..38fb81db48c2 100644
> --- a/drivers/net/ethernet/freescale/enetc/enetc4_pf.c
> +++ b/drivers/net/ethernet/freescale/enetc/enetc4_pf.c
> @@ -1016,8 +1016,7 @@ static int enetc4_pf_probe(struct pci_dev *pdev,
>
>       err = devm_add_action_or_reset(dev, enetc4_pci_remove, pdev);
>       if (err)
> -             return dev_err_probe(dev, err,
> -                                  "Add enetc4_pci_remove() action failed\n");
> +             return err;
>
>       /* si is the private data. */
>       si = pci_get_drvdata(pdev);
>
> base-commit: 260f6f4fda93c8485c8037865c941b42b9cba5d2
> --
> 2.39.5

HI Waqar,

The net-next tree is closed until Aug 11th, please resend this patch when it
is open. :)