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authorIngo Molnar <mingo@kernel.org>2015-09-13 12:25:35 +0300
committerIngo Molnar <mingo@kernel.org>2015-09-13 12:25:35 +0300
commitd2bb1d42b95fa88f092623bbb8ed533f316b6a3c (patch)
treefb796db809a266906fa358f24f1c07ced4df33f0 /drivers/acpi/acpica/exresolv.c
parent3bd7617596df560e2cb22ad97888cb42dae39d02 (diff)
parent6ff33f3902c3b1c5d0db6b1e2c70b6d76fba357f (diff)
downloadlinux-d2bb1d42b95fa88f092623bbb8ed533f316b6a3c.tar.xz
Merge tag 'v4.3-rc1' into perf/core, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/acpi/acpica/exresolv.c')
-rw-r--r--drivers/acpi/acpica/exresolv.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c
index b6b7f3af29e4..7b109128b035 100644
--- a/drivers/acpi/acpica/exresolv.c
+++ b/drivers/acpi/acpica/exresolv.c
@@ -337,8 +337,9 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
acpi_object_type * return_type,
union acpi_operand_object **return_desc)
{
- union acpi_operand_object *obj_desc = (void *)operand;
- struct acpi_namespace_node *node;
+ union acpi_operand_object *obj_desc = ACPI_CAST_PTR(void, operand);
+ struct acpi_namespace_node *node =
+ ACPI_CAST_PTR(struct acpi_namespace_node, operand);
acpi_object_type type;
acpi_status status;
@@ -355,9 +356,7 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
case ACPI_DESC_TYPE_NAMED:
type = ((struct acpi_namespace_node *)obj_desc)->type;
- obj_desc =
- acpi_ns_get_attached_object((struct acpi_namespace_node *)
- obj_desc);
+ obj_desc = acpi_ns_get_attached_object(node);
/* If we had an Alias node, use the attached object for type info */
@@ -368,6 +367,13 @@ acpi_ex_resolve_multiple(struct acpi_walk_state *walk_state,
acpi_namespace_node *)
obj_desc);
}
+
+ if (!obj_desc) {
+ ACPI_ERROR((AE_INFO,
+ "[%4.4s] Node is unresolved or uninitialized",
+ acpi_ut_get_node_name(node)));
+ return_ACPI_STATUS(AE_AML_UNINITIALIZED_NODE);
+ }
break;
default: