[PATCH v7 4/7] hidclass: Copy ContainerID from underlying driver in driver_add_device

[Claire Girka]

From: Claire Girka

---
 dlls/hidclass.sys/hid.h | 1 +
 dlls/hidclass.sys/pnp.c | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/dlls/hidclass.sys/hid.h b/dlls/hidclass.sys/hid.h
index e20f12809eb..b8cec55fb7c 100644
--- a/dlls/hidclass.sys/hid.h
+++ b/dlls/hidclass.sys/hid.h
@@ -81,6 +81,7 @@ typedef struct _BASE_DEVICE_EXTENSION
      * for convenience. */
     WCHAR device_id[MAX_DEVICE_ID_LEN];
     WCHAR instance_id[MAX_DEVICE_ID_LEN];
+    WCHAR container_id[MAX_GUID_STRING_LEN];
     const GUID *class_guid;

BOOL is_fdo;
diff --git a/dlls/hidclass.sys/pnp.c b/dlls/hidclass.sys/pnp.c
index 91d80f74403..a2315b686ca 100644
--- a/dlls/hidclass.sys/pnp.c
+++ b/dlls/hidclass.sys/pnp.c
@@ -172,6 +172,9 @@ static NTSTATUS WINAPI driver_add_device(DRIVER_OBJECT *driver, DEVICE_OBJECT *b
     swprintf(ext->device_id, ARRAY_SIZE(ext->device_id), L"HID\%s", wcsrchr(device_id, '\') + 1);
     wcscpy(ext->instance_id, instance_id);

+    if (get_device_id(bus_pdo, BusQueryContainerID, ext->container_id))
+        ext->container_id[0] = 0;
+
     is_xinput_class = !wcsncmp(device_id, L"WINEXINPUT\", 7) && wcsstr(device_id, L"&XI_") != NULL;
     if (is_xinput_class) ext->class_guid = &GUID_DEVINTERFACE_WINEXINPUT;
     else ext->class_guid = &GUID_DEVINTERFACE_HID;