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Subject: media: uvcvideo: Avoid returning invalid controls Author: Ricardo Ribalda <[email protected]> Date: Wed Dec 1 06:22:18 2021 +0100 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") Signed-off-by: Ricardo Ribalda <[email protected]> Signed-off-by: Laurent Pinchart <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> 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) _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
