linux-kernel - Re: [PATCH] gpio: ath79: Add missing check for platform_get

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Message-ID: <ZHlGkM0O0IT1U7Fl@surfacebook>
Date:   Fri, 2 Jun 2023 04:32:00 +0300
From:   andy.shevchenko@...il.com
To:     Jiasheng Jiang <jiasheng@...as.ac.cn>
Cc:     albeu@...e.fr, linus.walleij@...aro.org, brgl@...ev.pl,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] gpio: ath79: Add missing check for platform_get_irq

Thu, Jun 01, 2023 at 04:51:32PM +0800, Jiasheng Jiang kirjoitti:
> Add the missing check for platform_get_irq and return error
> if it fails.

>  		girq->parents[0] = platform_get_irq(pdev, 0);
> +		if (girq->parents[0] < 0)
> +			return -ENODEV;

Can you elaborate why error code has to be shadowed (overriden)?

-- 
With Best Regards,
Andy Shevchenko