| Message ID | 20241114-uvc-roi-v15-8-64cfeb56b6f8@chromium.org |
|---|---|
| State | New |
| Headers | show |
| Series | media: uvcvideo: Implement UVC v1.5 ROI | expand |
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index 02fd5cbc3474..65dbb53b1e75 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -1081,6 +1081,9 @@ static int uvc_ioctl_g_ext_ctrls(struct file *file, void *fh, u32 which; int ret; + if (!ctrls->count) + return 0; + switch (ctrls->which) { case V4L2_CTRL_WHICH_DEF_VAL: case V4L2_CTRL_WHICH_CUR_VAL: @@ -1121,6 +1124,9 @@ static int uvc_ioctl_s_try_ext_ctrls(struct uvc_fh *handle, unsigned int i; int ret; + if (!ctrls->count) + return 0; + ret = uvc_ctrl_check_access(chain, ctrls, ioctl); if (ret < 0) return ret;
If nothing needs to be done. Exit early. Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> --- drivers/media/usb/uvc/uvc_v4l2.c | 6 ++++++ 1 file changed, 6 insertions(+)