If the control does not support GET_DEF, the field default_value will be
left uninitialized during queryctrl.
Fixes: c0efd232929c ("V4L/DVB (8145a): USB Video Class driver")
Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
---
drivers/media/usb/uvc/uvc_ctrl.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index 44b6513c526421943bb9841fb53dc5f8e9f93f02..47e8ccc39234d1769384b55539a21df07f3d57c7 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -1497,6 +1497,8 @@ static int __uvc_queryctrl_boundaries(struct uvc_video_chain *chain,
if (ctrl->info.flags & UVC_CTRL_FLAG_GET_DEF) {
v4l2_ctrl->default_value = uvc_mapping_get_s32(mapping,
UVC_GET_DEF, uvc_ctrl_data(ctrl, UVC_CTRL_DATA_DEF));
+ } else {
+ v4l2_ctrl->default_value = 0;
}
switch (mapping->v4l2_type) {
--
2.50.0.rc0.642.g800a2b2222-goog
