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>

1 files changed, 6 insertions, 0 deletions

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 */