linux-kernel - Re: [PATCH 05/13] platform: chrome: cros_ec: Do not attempt to register a non-positive IRQ number

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Date:   Tue, 1 Oct 2019 12:32:20 +0200
From:   Enric Balletbo i Serra <enric.balletbo@...labora.com>
To:     Gwendal Grignou <gwendal@...omium.org>, jic23@...nel.org,
        knaack.h@....de, lars@...afoo.de, pmeerw@...erw.net,
        lee.jones@...aro.org, bleung@...omium.org, dianders@...omium.org,
        groeck@...omium.org, fabien.lahoudere@...labora.com
Cc:     linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
        Enrico Granata <egranata@...omium.org>,
        Enrico Granata <egranata@...gle.com>
Subject: Re: [PATCH 05/13] platform: chrome: cros_ec: Do not attempt to
 register a non-positive IRQ number

Hi Gwendal and Enrico

On 22/9/19 19:50, Gwendal Grignou wrote:
> From: Enrico Granata <egranata@...omium.org>
> 
> Add a layer of sanity checking to cros_ec_register against attempting to
> register IRQ values that are not strictly greater than 0.
> 
> Signed-off-by: Enrico Granata <egranata@...gle.com>

I'll get rid of this signed-off as is the same as following

> Signed-off-by: Enrico Granata <egranata@...omium.org>
> Signed-off-by: Gwendal Grignou <gwendal@...omium.org>

For my own reference:

Reviewed-for-chrome-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>

> ---
>  drivers/platform/chrome/cros_ec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/platform/chrome/cros_ec.c b/drivers/platform/chrome/cros_ec.c
> index f49eb1d1e3cd..9c8dc7cdb2b7 100644
> --- a/drivers/platform/chrome/cros_ec.c
> +++ b/drivers/platform/chrome/cros_ec.c
> @@ -146,7 +146,7 @@ int cros_ec_register(struct cros_ec_device *ec_dev)
>  		return err;
>  	}
>  
> -	if (ec_dev->irq) {
> +	if (ec_dev->irq > 0) {
>  		err = devm_request_threaded_irq(
>  				dev, ec_dev->irq, ec_irq_handler,
>  				ec_irq_thread, IRQF_TRIGGER_LOW | IRQF_ONESHOT,
>