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List:       linux-acpi
Subject:    RE: [V7 PATCH 1/3] ACPICA: Add ACPI _CLS processing
From:       "Moore, Robert" <robert.moore () intel ! com>
Date:       2015-03-30 17:09:02
Message-ID: 94F2FBAB4432B54E8AACC7DFDE6C92E37D2B1C7B () ORSMSX112 ! amr ! corp ! intel ! com
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AE_AML_OPERAND_TYPE -- used to indicate an exception raised by a type issue related to the AML code. Used to differentiate between a programmer error (AE_TYPE).


> -----Original Message-----
> From: Suravee Suthikulanit [mailto:suravee.suthikulpanit@amd.com]
> Sent: Monday, March 30, 2015 7:17 AM
> To: Moore, Robert; rjw@rjwysocki.net; mika.westerberg@linux.intel.com;
> Zheng, Lv; hanjun.guo@linaro.org
> Cc: lenb@kernel.org; hdegoede@redhat.com; tj@kernel.org;
> mjg59@srcf.ucam.org; gregkh@linuxfoundation.org; al.stone@linaro.org;
> graeme.gregory@linaro.org; leo.duran@amd.com; linux-ide@vger.kernel.org;
> linux-acpi@vger.kernel.org; linux-kernel@vger.kernel.org; linaro-
> acpi@lists.linaro.org
> Subject: Re: [V7 PATCH 1/3] ACPICA: Add ACPI _CLS processing
> 
> On 3/27/2015 12:51 PM, Moore, Robert wrote:
> > +	cls_objects = obj_desc->package.elements;
> > +
> > +	if (obj_desc->common.type == ACPI_TYPE_PACKAGE &&
> > +	    obj_desc->package.count == 3 &&
> > +	    cls_objects[0]->common.type == ACPI_TYPE_INTEGER &&
> > +	    cls_objects[1]->common.type == ACPI_TYPE_INTEGER &&
> > +	    cls_objects[2]->common.type == ACPI_TYPE_INTEGER) {
> > +
> > +		/* Allocate a buffer for the CLS */
> > +		cls = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_pnp_device_id) +
> > +					 (acpi_size) 7);
> >
> > I would like to see an error returned if an object or subobject is of
> the incorrect type.
> > Then, the caller knows not to attempt to look at it.
> >
> 
> Ok. I will return AE_TYPE if the condition is false here.
> 
> Thanks,
> 
> Suravee

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