@@ -1398,6 +1398,7 @@ static int hackrf_probe(struct usb_interface *intf,
dev->rx_vb2_queue.drv_priv = dev;
dev->rx_vb2_queue.buf_struct_size = sizeof(struct hackrf_buffer);
dev->rx_vb2_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ dev->rx_vb2_queue.lock = &dev->vb_queue_lock;
ret = vb2_queue_init(&dev->rx_vb2_queue);
if (ret) {
dev_err(dev->dev, "Could not initialize rx vb2 queue\n");
@@ -1413,6 +1414,7 @@ static int hackrf_probe(struct usb_interface *intf,
dev->tx_vb2_queue.drv_priv = dev;
dev->tx_vb2_queue.buf_struct_size = sizeof(struct hackrf_buffer);
dev->tx_vb2_queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ dev->tx_vb2_queue.lock = &dev->vb_queue_lock;
ret = vb2_queue_init(&dev->tx_vb2_queue);
if (ret) {
dev_err(dev->dev, "Could not initialize tx vb2 queue\n");
@@ -1474,7 +1476,6 @@ static int hackrf_probe(struct usb_interface *intf,
/* Init video_device structure for receiver */
dev->rx_vdev = hackrf_template;
dev->rx_vdev.queue = &dev->rx_vb2_queue;
- dev->rx_vdev.queue->lock = &dev->vb_queue_lock;
dev->rx_vdev.v4l2_dev = &dev->v4l2_dev;
dev->rx_vdev.ctrl_handler = &dev->rx_ctrl_handler;
dev->rx_vdev.lock = &dev->v4l2_lock;
@@ -1494,7 +1495,6 @@ static int hackrf_probe(struct usb_interface *intf,
/* Init video_device structure for transmitter */
dev->tx_vdev = hackrf_template;
dev->tx_vdev.queue = &dev->tx_vb2_queue;
- dev->tx_vdev.queue->lock = &dev->vb_queue_lock;
dev->tx_vdev.v4l2_dev = &dev->v4l2_dev;
dev->tx_vdev.ctrl_handler = &dev->tx_ctrl_handler;
dev->tx_vdev.lock = &dev->v4l2_lock;
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> --- drivers/media/usb/hackrf/hackrf.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)