Messages in this thread Patch in this message | | | From | Ricardo Ribalda <> | Subject | [PATCH v2 2/2] media: uvcvideo: Avoid returning invalid controls | Date | Wed, 1 Dec 2021 06:22:18 +0100 |
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If the memory where ctrl_found is placed has the value of uvc_ctrl and __uvc_find_control does not find the control we will return an invalid index.
Fixes: 6350d6a4ed487 ("media: uvcvideo: Set error_idx during ctrl_commit errors") Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> --- drivers/media/usb/uvc/uvc_ctrl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index 9a25d6029255..b4f6edf968bc 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1639,7 +1639,7 @@ static int uvc_ctrl_find_ctrl_idx(struct uvc_entity *entity, struct uvc_control *uvc_control) { struct uvc_control_mapping *mapping = NULL; - struct uvc_control *ctrl_found; + struct uvc_control *ctrl_found = NULL; unsigned int i; if (!entity) -- 2.34.0.rc2.393.gf8c9666880-goog
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