linux-kernel - Re: [PATCH v3] gpio: ath79: Add missing check for platform_get

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Date:   Tue, 6 Jun 2023 12:28:17 +0300
From:   andy.shevchenko@...il.com
To:     Jiasheng Jiang <jiasheng@...as.ac.cn>
Cc:     andy.shevchenko@...il.com, oe-kbuild-all@...ts.linux.dev,
        linus.walleij@...aro.org, brgl@...ev.pl, palmer@...belt.com,
        paul.walmsley@...ive.com, linux-gpio@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] gpio: ath79: Add missing check for platform_get_irq

Tue, Jun 06, 2023 at 11:18:41AM +0800, Jiasheng Jiang kirjoitti:

Is this v4?

> Add the missing check for platform_get_irq() and return error
> if it fails.
> The returned error code will be dealed with in
> module_platform_driver(ath79_gpio_driver) and the driver will not
> be registered.

No, this functional change and has not to be for the fixes unless _this_ is the
regression you are fixing. Did the driver work before at some point as after
this change?

Otherwise you have to _justify_ that this functional change won't break
existing setups (with broked IRQ in Device Tree, for example).

-- 
With Best Regards,
Andy Shevchenko