From: Robert Gerigk <Robert-Gerigk@online.de> After enumerating child devices via IRP_MN_QUERY_DEVICE_RELATIONS, store the list of child device instance IDs as DEVPKEY_Device_Children on the parent device. Signed-off-by: Jan Robert Gerigk <Robert-Gerigk@online.de> --- dlls/ntoskrnl.exe/pnp.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/dlls/ntoskrnl.exe/pnp.c b/dlls/ntoskrnl.exe/pnp.c index 4bc7aa33af3..25707ed9eb1 100644 --- a/dlls/ntoskrnl.exe/pnp.c +++ b/dlls/ntoskrnl.exe/pnp.c @@ -564,6 +564,40 @@ static void handle_bus_relations( DEVICE_OBJECT *parent ) ExFreePool( wine_parent->children ); wine_parent->children = relations; + { + WCHAR parent_id[MAX_DEVICE_ID_LEN]; + SP_DEVINFO_DATA parent_sp = {sizeof(parent_sp)}; + WCHAR (*child_ids)[MAX_DEVICE_ID_LEN] = malloc( relations->Count * sizeof(*child_ids) ); + DWORD count = relations->Count; + + for (i = 0; i < count; ++i) + get_device_instance_id( relations->Objects[i], child_ids[i] ); + + if (count && !get_device_instance_id( parent, parent_id ) + && SetupDiOpenDeviceInfoW( set, parent_id, NULL, 0, &parent_sp )) + { + DWORD multi_len = 1; + WCHAR *children_multi, *p; + + for (i = 0; i < count; ++i) + multi_len += wcslen( child_ids[i] ) + 1; + + children_multi = malloc( multi_len * sizeof(WCHAR) ); + p = children_multi; + for (i = 0; i < count; ++i) + { + wcscpy( p, child_ids[i] ); + p += wcslen( child_ids[i] ) + 1; + } + *p = 0; + SetupDiSetDevicePropertyW( set, &parent_sp, &DEVPKEY_Device_Children, + DEVPROP_TYPE_STRING_LIST, (BYTE *)children_multi, + multi_len * sizeof(WCHAR), 0 ); + free( children_multi ); + } + free( child_ids ); + } + SetupDiDestroyDeviceInfoList( set ); } -- GitLab https://gitlab.winehq.org/wine/wine/-/merge_requests/10604