Re: [PATCH] drivers/ata/pata_mpc52xx.c: drop unneeded devm cleanup functions
From: Grant Likely
Date: Sun Mar 18 2012 - 16:58:24 EST
On Sat, 10 Mar 2012 22:35:52 +0100, Julia Lawall <Julia.Lawall@xxxxxxx> wrote:
> From: Julia Lawall <Julia.Lawall@xxxxxxx>
>
> There is no need to call the devm cleanup functions on failure of a probe
> or remove function.
>
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
> Acked-by: Wolfram Sang <w.sang@xxxxxxxxxxxxxx>
Acked-by: Grant Likely <grant.likely@xxxxxxxxxxxx>
>
> ---
> Changed subject. Included Wolfram's ACK.
>
> drivers/ata/pata_mpc52xx.c | 11 -----------
> 1 file changed, 11 deletions(-)
>
> diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
> index 00748ae..1f02008 100644
> --- a/drivers/ata/pata_mpc52xx.c
> +++ b/drivers/ata/pata_mpc52xx.c
> @@ -806,17 +806,12 @@ mpc52xx_ata_probe(struct platform_device *op)
> return 0;
>
> err:
> - devm_release_mem_region(&op->dev, res_mem.start, sizeof(*ata_regs));
> if (ata_irq)
> irq_dispose_mapping(ata_irq);
> if (task_irq)
> irq_dispose_mapping(task_irq);
> if (dmatsk)
> bcom_ata_release(dmatsk);
> - if (ata_regs)
> - devm_iounmap(&op->dev, ata_regs);
> - if (priv)
> - devm_kfree(&op->dev, priv);
> return rv;
> }
>
> @@ -835,12 +830,6 @@ mpc52xx_ata_remove(struct platform_device *op)
> bcom_ata_release(priv->dmatsk);
> irq_dispose_mapping(priv->ata_irq);
>
> - /* Clear up IO allocations */
> - devm_iounmap(&op->dev, priv->ata_regs);
> - devm_release_mem_region(&op->dev, priv->ata_regs_pa,
> - sizeof(*priv->ata_regs));
> - devm_kfree(&op->dev, priv);
> -
> return 0;
> }
>
>
--
Grant Likely, B.Sc, P.Eng.
Secret Lab Technologies,Ltd.
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