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From: Andreas Schwab <schwab@suse.de>
To: Michael Tokarev <mjt@tls.msk.ru>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>,
	Chris Wright <chrisw@sous-sol.org>,
	Jody McIntyre <scjody@modernduck.com>,
	Ben Collins <bcollins@ubuntu.com>,
	linux-kernel@vger.kernel.org,
	linux1394-devel@lists.sourceforge.net
Subject: Re: [stable] [PATCH] sbp2: fix check of return value of	hpsb_allocate_and_register_addrspace
Date: Sat, 03 Jun 2006 11:31:27 +0200	[thread overview]
Message-ID: <jemzcu7fgw.fsf@sykes.suse.de> (raw)
In-Reply-To: <44815283.7080306@tls.msk.ru> (Michael Tokarev's message of "Sat, 03 Jun 2006 13:12:35 +0400")

Michael Tokarev <mjt@tls.msk.ru> writes:

> Stefan Richter wrote:
>> Chris Wright wrote:
>>> * Stefan Richter (stefanr@s5r6.in-berlin.de) wrote:
>> ....
>>>> +++ linux-2.6.17-rc5/drivers/ieee1394/sbp2.c    2006-06-03
>>>> 01:54:23.000000000 +0200
>>>> @@ -845,7 +845,7 @@ static struct scsi_id_instance_data *sbp
>>>>             &sbp2_highlevel, ud->ne->host, &sbp2_ops,
>>>>             sizeof(struct sbp2_status_block), sizeof(quadlet_t),
>>>>             0x010000000000ULL, CSR1212_ALL_SPACE_END);
>>>> -    if (!scsi_id->status_fifo_addr) {
>>>> +    if (scsi_id->status_fifo_addr == ~0ULL) {
>
> Umm.  Can this ~0ULL constant be #define'd to something?
> It's way too simple to mis-read it as NULL (or ~NULL whatever).

How about writing it as -1?

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

  reply	other threads:[~2006-06-03  9:31 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-06-03  0:00 Stefan Richter
2006-06-03  1:35 ` [stable] " Chris Wright
2006-06-03  8:37   ` Stefan Richter
2006-06-03  9:12     ` Michael Tokarev
2006-06-03  9:31       ` Andreas Schwab [this message]
2006-06-03  9:43         ` Andrew Morton
2006-06-03 10:42           ` Stefan Richter
2006-06-03 11:05           ` [PATCH 1/2] sbp2: fix deregistration of status fifo address space Stefan Richter
2006-06-03 11:08             ` [PATCH 2/2] ieee1394: add preprocessor constant for invalid csr address Stefan Richter

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