Re: [PATCH 1/2] gpio_keys: add gpio_to_irq return code check

From: Dmitry Torokhov
Date: Tue Sep 18 2007 - 11:59:40 EST


Hi Anti,

On 9/18/07, Anti Sullin <anti.sullin@xxxxxxxxxxxxxx> wrote:
> As David Brownell pointed out when reviewing my suspend patch to
> gpio_keys, the original gpio_keys driver does not check gpio_to_irq
> return code.
>
...
> - set_irq_type(irq, IRQ_TYPE_EDGE_BOTH);
> - error = request_irq(irq, gpio_keys_isr, IRQF_SAMPLE_RANDOM,
> - button->desc ? button->desc : "gpio_keys",
> - pdev);
> + if (irq < 0)

What would be the value of error variable (that we use as a return value) here?

> + goto fail;
> +

--
Dmitry
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