linux-kernel - Re: [PATCH 2/3] i2c: qup: Remove dev_err() log after platform_get

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Date:   Tue, 17 Sep 2019 17:28:47 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     Saiyam Doshi <saiyamdoshi.in@...il.com>,
        Andy Gross <agross@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-i2c@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH 2/3] i2c: qup: Remove dev_err() log after
 platform_get_irq*() failure

> The semantic patch that makes this report is available
> in scripts/coccinelle/api/platform_get_irq.cocci.
>
> Found using - http://coccinelle.lip6.fr/

Can a tag like “Generated by: scripts/coccinelle/api/platform_get_irq.cocci”
be more helpful than the other description variant?

> +++ b/drivers/i2c/busses/i2c-qup.c
> @@ -1767,7 +1767,6 @@ static int qup_i2c_probe(struct platform_device *pdev)
>
>  	qup->irq = platform_get_irq(pdev, 0);
>  	if (qup->irq < 0) {
> -		dev_err(qup->dev, "No IRQ defined\n");
>  		return qup->irq;
>  	}

How do you think about to omit the curly brackets here after only a single
statement would be used in the if branch?
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/coding-style.rst?id=ad062195731bea1624ce7160e79e0fcdaa25c1b5#n175

Regards,
Markus