media: tc358743: register v4l2 async device only after successful setup

Ensure the device has been setup correctly before registering the v4l2
async device, thus allowing userspace to access.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Fixes: 4c5211a ("[media] tc358743: register v4l2 asynchronous subdevice")
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240110090111.458115-1-alexander.stein@ew.tq-group.com

drivers/media/i2c/tc358743.c

@@ -2091,9 +2091,6 @@ static int tc358743_probe(struct i2c_client *client)
 	state->mbus_fmt_code = MEDIA_BUS_FMT_RGB888_1X24;
 
 	sd->dev = &client->dev;
-	err = v4l2_async_register_subdev(sd);
-	if (err < 0)
-		goto err_hdl;
 
 	mutex_init(&state->confctl_mutex);
 
@@ -2151,6 +2148,10 @@ static int tc358743_probe(struct i2c_client *client)
 	if (err)
 		goto err_work_queues;
 
+	err = v4l2_async_register_subdev(sd);
+	if (err < 0)
+		goto err_work_queues;
+
 	v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name,
 		  client->addr << 1, client->adapter->name);