Re: [PATCH] mfd: ipaq-micro: Fix IRQ check in micro_probe

[Linus Walleij]

On Fri, Jan 14, 2022 at 7:59 AM Miaoqian Lin <linmq006@xxxxxxxxx> wrote:

> platform_get_irq() returns negative error number instead 0 on failure.
> And the doc of platform_get_irq() provides a usage example:
>
>     int irq = platform_get_irq(pdev, 0);
>     if (irq < 0)
>         return irq;
>
> Fix the check of return value to catch errors correctly.
>
> Fixes: dcc21cc09e3c ("mfd: Add driver for Atmel Microcontroller on iPaq h3xxx")
> Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>

Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>

Yours,
Linus Walleij