Re: [PATCH] edac: remove redundant error print in xgene_edac_probe

From: Robert Richter
Date: Tue Jan 12 2021 - 04:21:48 EST


On 12.01.21 00:46:05, menglong8.dong@xxxxxxxxx wrote:
> From: Menglong Dong <dong.menglong@xxxxxxxxxx>
>
> Coccinelle reports a redundant error print in xgene_edac_probe.
> As 'platform_get_irq' already prints the error message, error
> print here is redundant and can be removed.
>
> Signed-off-by: Menglong Dong <dong.menglong@xxxxxxxxxx>
> ---
> drivers/edac/xgene_edac.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/edac/xgene_edac.c b/drivers/edac/xgene_edac.c
> index 1d2c27a00a4a..1d583f0ea4dc 100644
> --- a/drivers/edac/xgene_edac.c
> +++ b/drivers/edac/xgene_edac.c
> @@ -1918,7 +1918,6 @@ static int xgene_edac_probe(struct platform_device *pdev)
> for (i = 0; i < 3; i++) {
> irq = platform_get_irq(pdev, i);
> if (irq < 0) {
> - dev_err(&pdev->dev, "No IRQ resource\n");

Better call platform_get_irq_optional() instead. That would keep the
same error message patterns for all error paths of the probe function.

-Robert

> rc = -EINVAL;
> goto out_err;
> }
> --
> 2.17.1
>