media: v4l2-ctrls.c: initialize an error return code with zero

Fix this smatch error:

drivers/media/v4l2-core/v4l2-ctrls.c:2971 v4l2_ctrl_request_clone() error: uninitialized symbol 'err'.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 95d065d..5310ac8 100644 (file)
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -2879,7 +2879,7 @@ static int v4l2_ctrl_request_clone(struct v4l2_ctrl_handler *hdl,
                                   const struct v4l2_ctrl_handler *from)
 {
        struct v4l2_ctrl_ref *ref;
-       int err;
+       int err = 0;
 
        if (WARN_ON(!hdl || hdl == from))
                return -EINVAL;