From: Fiodor Suietov <fiodor.f.suietov@intel.com>
Date: Fri, 2 Feb 2007 16:48:18 +0000 (+0300)
Subject: ACPICA: fix for object premature deletion
X-Git-Tag: v2.6.21-rc1~92^2~32^2^2~9^2~82
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b366e2fe1b68bd9af55caf166eaaf0609ba18a9;p=linux-2.6

ACPICA: fix for object premature deletion

Fix for object premature deletion after CopyObject
on Operation Region (BZ 350)

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---

diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index 5e1a80d1bc..5c38276a3f 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -719,6 +719,15 @@ acpi_ut_copy_simple_object(union acpi_operand_object *source_desc,
 		acpi_ut_add_reference(source_desc->reference.object);
 		break;
 
+	case ACPI_TYPE_REGION:
+		/*
+		 * We copied the Region Handler, so we now must add a reference
+		 */
+		if (dest_desc->region.handler) {
+			acpi_ut_add_reference(dest_desc->region.handler);
+		}
+		break;
+
 	default:
 		/* Nothing to do for other simple objects */
 		break;