[PATCH 2/2] media: uvcvideo: Avoid returning invalid controls

[Ricardo Ribalda]

If the memory where ctrl_found is places has the value of uvc_ctrl and
__uvc_find_control does not find the control we will return and invalid
index.

Fixes: 6350d6a4ed487 ("media: uvcvideo: Set error_idx during ctrl_commit errors")
Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
---
 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 f7b7add3cfa59..f1f6bb14fb0a6 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)
-- 
2.34.0.384.gca35af8252-goog