linux-kernel - Re: [PATCH 18/46] Staging: hv: storvsc: Add code to handle IDE devices using the storvsc driver

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Message-ID: <20110830110749.GE3705@shale.localdomain>
Date:	Tue, 30 Aug 2011 14:07:49 +0300
From:	Dan Carpenter <error27@...il.com>
To:	"K. Y. Srinivasan" <kys@...rosoft.com>
Cc:	gregkh@...e.de, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, virtualization@...ts.osdl.org,
	Haiyang Zhang <haiyangz@...rosoft.com>
Subject: Re: [PATCH 18/46] Staging: hv: storvsc: Add code to handle IDE
 devices using the storvsc driver

On Sat, Aug 27, 2011 at 11:31:17AM -0700, K. Y. Srinivasan wrote:
> @@ -59,6 +59,17 @@ struct storvsc_cmd_request {
>  	struct hv_storvsc_request request;
>  };
>  
> +static void storvsc_get_ide_info(struct hv_device *dev, int *target, int *path)
> +{
> +	*target =
> +		dev->dev_instance.b[5] << 8 | dev->dev_instance.b[4];
> +
> +	*path =
> +		dev->dev_instance.b[3] << 24 |
> +		dev->dev_instance.b[2] << 16 |
> +		dev->dev_instance.b[1] << 8  | dev->dev_instance.b[0];
> +}
> +

Does endianness matter here?  It seems like *path isn't actually used
anywhere.  Probably target and path should be u32 types?

regards,
dan carpenter

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