It was defined a notifier in the csi_state structure that is never allocated. And besides that it's unregister in the remove, even though it is a no-op, just remove both. Fixes: 7807063b862b ("media: staging/imx7: add MIPI CSI-2 receiver subdev for i.MX7") Reported-by: Hans Verkuil <hverkuil@xxxxxxxxx> Suggested-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Suggested-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> Signed-off-by: Rui Miguel Silva <rmfrfs@xxxxxxxxx> --- drivers/staging/media/imx/imx7-mipi-csis.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c index 99166afca071..383abecb3bec 100644 --- a/drivers/staging/media/imx/imx7-mipi-csis.c +++ b/drivers/staging/media/imx/imx7-mipi-csis.c @@ -251,8 +251,6 @@ struct csi_state { struct mipi_csis_event events[MIPI_CSIS_NUM_EVENTS]; - struct v4l2_async_notifier subdev_notifier; - struct csis_hw_reset hw_reset; struct regulator *mipi_phy_regulator; bool sink_linked; @@ -1104,7 +1102,6 @@ static int mipi_csis_remove(struct platform_device *pdev) mipi_csis_debugfs_exit(state); v4l2_async_unregister_subdev(&state->mipi_sd); - v4l2_async_notifier_unregister(&state->subdev_notifier); pm_runtime_disable(&pdev->dev); mipi_csis_pm_suspend(&pdev->dev, true); -- 2.24.0