linux-kernel - Re: [PATCH] spi_mpc83xx: test below 0 on unsigned irq in mpc83xx_spi

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Date:	Wed, 23 Apr 2008 15:39:32 -0500
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Roel Kluin <12o3l@...cali.nl>
Cc:	"linuxppc-dev@...abs.org list" <linuxppc-dev@...abs.org>,
	lkml <linux-kernel@...r.kernel.org>,
	spi-devel-general@...ts.sourceforge.net
Subject: Re: [PATCH] spi_mpc83xx: test below 0 on unsigned irq in mpc83xx_spi_probe()


On Apr 23, 2008, at 3:19 PM, Roel Kluin wrote:
> mpc83xx_spi->irq is unsigned, so the test fails
>
> Signed-off-by: Roel Kluin <12o3l@...cali.nl>

you should copy the linux-spi list on such patches.

- k

>
> ---
> diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c
> index be15a62..033fd51 100644
> --- a/drivers/spi/spi_mpc83xx.c
> +++ b/drivers/spi/spi_mpc83xx.c
> @@ -454,12 +454,12 @@ static int __init mpc83xx_spi_probe(struct  
> platform_device *dev)
> 		goto put_master;
> 	}
>
> -	mpc83xx_spi->irq = platform_get_irq(dev, 0);
> -
> -	if (mpc83xx_spi->irq < 0) {
> -		ret = -ENXIO;
> +	ret = platform_get_irq(dev, 0);
> +	if (ret < 0)
> 		goto unmap_io;
> -	}
> +
> +	mpc83xx_spi->irq = ret;
> +	ret = 0;
>
> 	/* Register for SPI Interrupt */
> 	ret = request_irq(mpc83xx_spi->irq, mpc83xx_spi_irq,

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