From 7390ba4397c1ed069de3b7f88c3f3821d648a582 Mon Sep 17 00:00:00 2001
From: Hans Verkuil <hverkuil@xs4all.nl>
Date: Fri, 14 Sep 2018 05:56:28 -0400
Subject: [PATCH] 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>
---
 drivers/media/v4l2-core/v4l2-ctrls.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 95d065d543081..5310ac857e83c 100644
--- 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;