linux-kernel - [PATCH v2 1/4] ACPICA: Dispatcher: Fix an issue that the opregions created by the linked MLC were not tracked

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Date:	Fri, 13 May 2016 13:35:33 +0800
From:	Lv Zheng <lv.zheng@...el.com>
To:	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Len Brown <len.brown@...el.com>
Cc:	Lv Zheng <lv.zheng@...el.com>, Lv Zheng <zetalog@...il.com>,
	<linux-kernel@...r.kernel.org>, linux-acpi@...r.kernel.org
Subject: [PATCH v2 1/4] ACPICA: Dispatcher: Fix an issue that the opregions created by the linked MLC were not tracked

Operation regions created by MLC were not tracked by
acpi_check_address_range(), this patch fixes this issue. ACPICA BZ 1279. Fixed
by Lv Zheng.

Link: https://bugs.acpica.org/show_bug.cgi?id=1279
Signed-off-by: Lv Zheng <lv.zheng@...el.com>
---
 drivers/acpi/acpica/dsopcode.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c
index 4cc9d98..96f2eef 100644
--- a/drivers/acpi/acpica/dsopcode.c
+++ b/drivers/acpi/acpica/dsopcode.c
@@ -455,6 +455,12 @@ acpi_ds_eval_region_operands(struct acpi_walk_state *walk_state,
 	/* Now the address and length are valid for this opregion */
 
 	obj_desc->region.flags |= AOPOBJ_DATA_VALID;
+	if (walk_state->parse_flags & ACPI_PARSE_MODULE_LEVEL) {
+		status = acpi_ut_add_address_range(obj_desc->region.space_id,
+						   obj_desc->region.address,
+						   obj_desc->region.length,
+						   node);
+	}
 	return_ACPI_STATUS(status);
 }
 
-- 
1.7.10