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path: root/drivers/acpi/property.c
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-rw-r--r--drivers/acpi/property.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index 8832d0e13a72..9d460a859be0 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -1032,6 +1032,14 @@ struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode,
const struct acpi_data_node *data = to_acpi_data_node(fwnode);
struct acpi_data_node *dn;
+ /*
+ * We can have a combination of device and data nodes, e.g. with
+ * hierarchical _DSD properties. Make sure the adev pointer is
+ * restored before going through data nodes, otherwise we will
+ * be looking for data_nodes below the last device found instead
+ * of the common fwnode shared by device_nodes and data_nodes.
+ */
+ adev = to_acpi_device_node(fwnode);
if (adev)
head = &adev->data.subnodes;
else if (data)