From: Bob Moore <robert.moore@intel.com>
Date: Tue, 3 Feb 2009 06:17:29 +0000 (+0800)
Subject: ACPICA: Add error check to debug object dump routine
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=4bbfb85da27c27e9cc9a7fef4bd75df6361152ff;p=linux-2.6-omap-h63xx.git

ACPICA: Add error check to debug object dump routine

Add check for invalid handle in acpi_ns_dump_one_object.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---

diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c
index 0da33c8e9ba..e96d37a596b 100644
--- a/drivers/acpi/acpica/nsdump.c
+++ b/drivers/acpi/acpica/nsdump.c
@@ -181,6 +181,12 @@ acpi_ns_dump_one_object(acpi_handle obj_handle,
 	}
 
 	this_node = acpi_ns_map_handle_to_node(obj_handle);
+	if (!this_node) {
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Invalid object handle %p\n",
+				  obj_handle));
+		return (AE_OK);
+	}
+
 	type = this_node->type;
 
 	/* Check if the owner matches */