linux-kernel - Re: [PATCH 1/4] [Patch-next] ACPI, APEI, ERST Fix the wrong checking of Serialization Header's length

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Date:	Mon, 23 Aug 2010 08:26:32 +0800
From:	Huang Ying <ying.huang@...el.com>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Jin Dongming <jin.dongming@...css.fujitsu.com>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Andi Kleen <andi@...stfloor.org>,
	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>,
	ACPI <linux-acpi@...r.kernel.org>,
	LKLM <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/4] [Patch-next] ACPI, APEI, ERST Fix the wrong
 checking of Serialization Header's length

On Sat, 2010-08-21 at 03:26 +0800, Yinghai Lu wrote:
> On 08/17/2010 10:34 PM, Huang Ying wrote:
> > On Tue, 2010-08-17 at 12:44 +0800, Jin Dongming wrote:
> >> (2010/08/17 12:22), Huang Ying wrote:
> >>> On Tue, 2010-08-17 at 10:14 +0800, Jin Dongming wrote:
> >>>>> I don't think it is necessary to change the header definition, and
> >>>>> seri_header is not a good name for me.
> >>>> Why I added this structure here is that I don't want to do following checking.
> >>>> For example,
> >>>> 	if (header_length != 0x0c) {
> >>>> 		...
> >>>> 	}
> >>>
> >>> This can be:
> >>>
> >>>  static int erst_check_table(struct acpi_table_erst *erst_tab)
> >>>  {
> >>> -       if (erst_tab->header_length != sizeof(struct acpi_table_erst))
> >>> +       if (erst_tab->header_length !=
> >>> +           (sizeof(struct acpi_table_erst) - sizeof(erst_tab->header)))
> >>>
> >>> like Yinghai has been done.
> >>>
> >> Yes. It looks good. And I am sorry I am unaware of Yinghai' patch. 
> > 
> > Maybe you can help push this fix in, it seems that Yinghai is busy on
> > something else?
> > 
> > Hi, Yinghai,
> > 
> > Do you mind for Dongming to push this fix?
> > 
> do you mean this one?
> 
> [PATCH] acpi: fix apei related table size checking
> 
> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
Acked-by: Huang Ying <ying.huang@...el.com>


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