aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/acpi/namespace/nsaccess.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c
index 29c7c271dbb..35b0e46bd09 100644
--- a/drivers/acpi/namespace/nsaccess.c
+++ b/drivers/acpi/namespace/nsaccess.c
@@ -588,6 +588,10 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
* segments).
*/
if (this_node->type == ACPI_TYPE_LOCAL_ALIAS) {
+ if (!this_node->object) {
+ return_ACPI_STATUS(AE_NOT_EXIST);
+ }
+
if (acpi_ns_opens_scope
(((struct acpi_namespace_node *)this_node->
object)->type)) {