public inbox for linux-acpi@vger.kernel.org
 help / color / mirror / Atom feed
From: Kenji Kaneshige <kaneshige.kenji-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
To: Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>,
	Andrew Morton <akpm-3NddpPZAyC0@public.gmane.org>
Cc: Len Brown <len.brown-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: [PATCH 2.6.13-rc4 1/2] fix possible null pointer access - acpi_pci_irq_enable
Date: Mon, 08 Aug 2005 13:24:09 +0900	[thread overview]
Message-ID: <42F6DE69.5090101@jp.fujitsu.com> (raw)
In-Reply-To: <20050805071918.GG1780-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>

Hi,

>>>Should people be passing NULLs here, anyway? Is not the right fix to
>>>remove the check, and remove the (!dev) check, too, and just fix the
>>>callers? People are going to fix the oops, but noone is going to see
>>>that ACPI_DEBUG_PRINT...
>>
>>As you said, I think people should not pass NULLs here, and we should
>>fix the caller. But I think it is not bad to check (!dev) and (!dev->bus)
>>in these functions instead of panic. How about using WARN_ON here to
>>notify people of badness?
> 
> 
> No, just read l-k archives. Just dereference it. It wil oops in a nice
> way, and developer *will* see and fix it.

OK. I'll make a new patch that removes the check.

Andrew, could you please drop the following two patches from -mm tree?

    o fix-possible-null-pointer-access-acpi_pci_irq_enable.patch
    o fix-possible-null-pointer-access-acpi_pci_irq_disable.patch

Thanks,
Kenji Kaneshige


-------------------------------------------------------
SF.Net email is Sponsored by the Better Software Conference & EXPO
September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices
Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA
Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf

  parent reply	other threads:[~2005-08-08  4:24 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-08-01  3:32 [PATCH 2.6.13-rc4 0/2] fix possible null pointer access in acpi_pci_irq_{enable, disable} Kenji Kaneshige
     [not found] ` <42ED97C2.7060409-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2005-08-01  3:34   ` [PATCH 2.6.13-rc4 1/2] fix possible null pointer access - acpi_pci_irq_enable Kenji Kaneshige
     [not found]     ` <42ED9830.7060808-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2005-08-03 11:36       ` Pavel Machek
     [not found]         ` <20050803113637.GB4038-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-08-05  1:34           ` Kenji Kaneshige
     [not found]             ` <42F2C20F.4050807-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2005-08-05  7:19               ` Pavel Machek
     [not found]                 ` <20050805071918.GG1780-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-08-08  4:24                   ` Kenji Kaneshige [this message]
     [not found]                     ` <42F6DE69.5090101-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2005-08-08  5:07                       ` Andrew Morton
2005-08-01  3:35   ` [PATCH 2.6.13-rc4 2/2] fix possible null pointer access - acpi_pci_irq_disable Kenji Kaneshige

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=42F6DE69.5090101@jp.fujitsu.com \
    --to=kaneshige.kenji-+cum20s59erqfuhtdcdx3a@public.gmane.org \
    --cc=acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org \
    --cc=akpm-3NddpPZAyC0@public.gmane.org \
    --cc=len.brown-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org \
    --cc=pavel-+ZI9xUNit7I@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox