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From: Matthew Wilcox <matthew@wil.cx>
To: Bodo Eggert <7eggert@gmx.de>
Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
	torvalds@osdl.org
Subject: Re: [PATCH] Move SG_GET_SCSI_ID from sg to scsi
Date: Sun, 26 Mar 2006 13:05:22 -0700	[thread overview]
Message-ID: <20060326200522.GA3486@parisc-linux.org> (raw)
In-Reply-To: <Pine.LNX.4.58.0603262108500.13001@be1.lrz>

On Sun, Mar 26, 2006 at 09:28:28PM +0200, Bodo Eggert wrote:
>          case SCSI_IOCTL_GET_PCI:
>                  return scsi_ioctl_get_pci(sdev, arg);
> +	case SG_GET_SCSI_ID:

You're using the old ioctl name here ...

> +		if (!access_ok(VERIFY_WRITE, arg, sizeof (struct scsi_ioctl_id)))
> +			return -EFAULT;
> +		else {
> +			struct scsi_ioctl_id __user *idp = arg;
> +
> +			__put_user((int) sdev->host->host_no,
> +				   &idp->host_no);

The cast isn't necessary; __put_user casts the argument to the type of
the pointer.

> +			__put_user(0, &idp->unused[0]);
> +			__put_user(0, &idp->unused[1]);

Is it time to repurpose the unused bytes for the 64-bit LUN?

> +struct scsi_ioctl_id { /* used by SCSI_IOCTL_GET_ID ioctl() */
> +    int host_no;        /* as in "scsi<n>" where 'n' is one of 0, 1, 2 etc */

tabs instead of spaces?


  parent reply	other threads:[~2006-03-26 20:05 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-26 19:28 [PATCH] Move SG_GET_SCSI_ID from sg to scsi Bodo Eggert
2006-03-26 19:51 ` Arjan van de Ven
2006-03-26 20:08   ` Matthew Wilcox
2006-03-26 20:41     ` Arjan van de Ven
2006-03-26 20:05 ` Matthew Wilcox [this message]
2006-03-27 10:11   ` Bodo Eggert
2006-03-27 15:20     ` Matthew Wilcox
2006-03-27 15:40       ` James Bottomley
2006-03-26 22:30 ` Linus Torvalds
2006-03-26 23:19   ` Jan Engelhardt
2006-03-27  0:06     ` Linus Torvalds
2006-03-27 11:42   ` Bodo Eggert
2006-03-28  9:43     ` Matthias Andree
2006-03-27 15:03   ` Douglas Gilbert
2006-03-27 17:15     ` Linus Torvalds
2006-03-27 17:25       ` Matthew Wilcox
2006-03-27 17:43         ` Linus Torvalds
2006-03-27 19:54           ` Alan Cox
2006-03-27 21:29             ` Douglas Gilbert
2006-03-28  7:37               ` Stefan Richter
2006-03-28 14:17                 ` Jan Engelhardt
2006-03-26 23:09 ` Stefan Richter

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