Due to a missing v4l2_device_get function in the hackrf_probe function,
the reference count of the v4l2_device object reaches zero inside the
wrong API function (video_unregister_device) instead of v4l2_device_put.
This causes a memory leak as the release callback would not get called.
Reported-by: Tuba Yavuz <tuba@xxxxxxxxxxx>
Signed-off-by: Tuba Yavuz <tuba@xxxxxxxxxxx>
---
--- drivers/media/usb/hackrf/hackrf.c.orig 2019-01-26 11:37:18.912210823 -0500
+++ drivers/media/usb/hackrf/hackrf.c 2019-01-27 17:50:41.660736688 -0500
@@ -1524,6 +1524,7 @@ static int hackrf_probe(struct usb_inter
"Failed to register as video device (%d)\n", ret);
goto err_video_unregister_device_rx;
}
+ v4l2_device_get(&dev->v4l2_dev);
dev_info(dev->dev, "Registered as %s\n",
video_device_node_name(&dev->tx_vdev));
