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From: Patrick Mansfield <patmans@us.ibm.com>
To: Amit Patel <patelamitv@yahoo.com>
Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: scsi_report_lun_scan bug?
Date: Mon, 17 Nov 2003 21:52:52 -0800	[thread overview]
Message-ID: <20031117215252.A25366@beaverton.ibm.com> (raw)
In-Reply-To: <20031118024833.7619.qmail@web13006.mail.yahoo.com>; from patelamitv@yahoo.com on Mon, Nov 17, 2003 at 06:48:33PM -0800

On Mon, Nov 17, 2003 at 06:48:33PM -0800, Amit Patel wrote:
> Hi,
> 
> I am using 2.6-test9-mm3. I noticed while doing
> scsi_report_lun_scan(scsi_scan.c:891) the data
> returned is assigned(scsi_scan.c:993) to signed char
> array which causes the reported number of luns to be
> huge while calculating num_luns to scan. Is there any
> particular reason to be data is signed or just a bug?
> 
> I changed it to unsigned char and it seems to work
> fine. I have attached a diff of scsi_scan.c. Let me
> know if I am missing something.

I don't see why making it signed or unsigned would make any difference.

What values did you see before and after your patch?

It should really be a u8, since it is a pointer to an array of bytes.

(And all the scsi_cmd[]'s should be u8.)

-- Patrick Mansfield

  parent reply	other threads:[~2003-11-18  5:52 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-18  2:48 scsi_report_lun_scan bug? Amit Patel
2003-11-18  2:54 ` Matthew Wilcox
2003-11-18  3:10   ` Amit Patel
2003-11-18  5:52 ` Patrick Mansfield [this message]
2003-11-18  7:00   ` Andrew Morton
2003-11-18  7:42     ` Amit Patel
2003-11-20  1:56       ` State Model for scsi device badness Amit Patel
2003-11-20 19:01         ` State Model for scsi device badness PATCH Amit Patel
2003-11-20 19:02           ` James Bottomley
2003-11-21  2:37             ` Mike Anderson

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