linux-kernel - Re: [PATCH] mailbox: platform-mhu: Remove unnecessary print function dev

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Message-ID: <49a39f01-3457-e049-d16e-d0d729aa0a73@wanadoo.fr>
Date:   Sun, 6 Nov 2022 16:53:02 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     wangkailong@...i.cn, jassisinghbrar@...il.com
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mailbox: platform-mhu: Remove unnecessary print function
 dev_err()

Le 06/11/2022 à 15:25, wangkailong@...i.cn a écrit :
> Eliminate the follow coccicheck warning:
> 
> ./drivers/mailbox/platform_mhu.c:139:3-10: line 139 is redundant because
> platform_get_irq() already prints an error
> 
> Signed-off-by: KaiLong Wang <wangkailong@...i.cn>
> ---
>   drivers/mailbox/platform_mhu.c | 1 -
>   1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/mailbox/platform_mhu.c b/drivers/mailbox/platform_mhu.c
> index a5922ac0b0bf..08e0eedea860 100644
> --- a/drivers/mailbox/platform_mhu.c
> +++ b/drivers/mailbox/platform_mhu.c
> @@ -136,7 +136,6 @@ static int platform_mhu_probe(struct platform_device *pdev)
>   		mhu->chan[i].con_priv = &mhu->mlink[i];
>   		mhu->mlink[i].irq = platform_get_irq(pdev, i);
>   		if (mhu->mlink[i].irq < 0) {
> -			dev_err(dev, "failed to get irq%d\n", i);
>   			return mhu->mlink[i].irq;
>   		}

Hi,

apparently, you sent several patches like this one.

When doing such cleanups, you should also remove the now useless { } 
when there is just one statement left, after the "if".

CJ

>   		mhu->mlink[i].rx_reg = mhu->base + platform_mhu_reg[i];