media: pwc: set lock before calling vb2_queue_init()

The vb2_queue_init() will expect the vb2_queue lock pointer to be set in
the future. So for those drivers that set the lock later, move it up to
before the vb2_queue_init() call.

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/usb/pwc/pwc-if.c

@@ -1054,6 +1054,7 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id
 	pdev->vb_queue.ops = &pwc_vb_queue_ops;
 	pdev->vb_queue.mem_ops = &vb2_vmalloc_memops;
 	pdev->vb_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+	pdev->vb_queue.lock = &pdev->vb_queue_lock;
 	rc = vb2_queue_init(&pdev->vb_queue);
 	if (rc < 0) {
 		PWC_ERROR("Oops, could not initialize vb2 queue.\n");
@@ -1064,7 +1065,6 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id
 	pdev->vdev = pwc_template;
 	strscpy(pdev->vdev.name, name, sizeof(pdev->vdev.name));
 	pdev->vdev.queue = &pdev->vb_queue;
-	pdev->vdev.queue->lock = &pdev->vb_queue_lock;
 	video_set_drvdata(&pdev->vdev, pdev);
 
 	pdev->release = le16_to_cpu(udev->descriptor.bcdDevice);