RE: [PATCH] ACPI, APEI, Fix error return value in apei_map_generic_address()

["yaoaili [么爱利]" <yaoaili@kingsoft.com>]

Sorry for confusing. I am really new to kernel community!
I should just add the tag 'Cc: <stable@vger.kernel.org>' , not really cc to stable@vger.kernel.org
sorry for this!

Best Regards!

Aili Yao

> -----Original Message-----
> From: Greg KH [mailto:gregkh@linuxfoundation.org]
> Sent: Tuesday, November 10, 2020 5:19 PM
> To: yaoaili126@163.com
> Cc: yaoaili <yaoaili@kingsoft.com>; stable@vger.kernel.org
> Subject: Re: [PATCH] ACPI, APEI, Fix error return value in
> apei_map_generic_address()
> 
> On Tue, Nov 10, 2020 at 12:29:42AM -0800, yaoaili126@163.com wrote:
> > From: Aili Yao <yaoaili@kingsoft.com>
> >
> > >From commit 6915564dc5a8 ("ACPI: OSL: Change the type of
> > acpi_os_map_generic_address() return value"),
> > acpi_os_map_generic_address() will return logical address or NULL for
> > error, but for ACPI_ADR_SPACE_SYSTEM_IO case, it should be also return
> > 0, as it's a normal case, but now it will return -ENXIO. so check it
> > out for such case to avoid einj module initialization fail.
> >
> > Fixes: 6915564dc5a8 ("ACPI: OSL: Change the type of
> > acpi_os_map_generic_address() return value")
> > Cc: <stable@vger.kernel.org>
> > Reviewed-by: James Morse <james.morse@arm.com>
> > Tested-by: Tony Luck <tony.luck@intel.com>
> > Signed-off-by: Aili Yao <yaoaili@kingsoft.com>
> > ---
> >  drivers/acpi/apei/apei-base.c | 4 ++++
> >  1 file changed, 4 insertions(+)
> 
> I'm confused as to what you are asking us to do with this patch?  Have you
> read:
>     https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
> for how to do this properly?
> 
> thanks,
> 
> greg k-h