Re: [PATCH] media: imx-mipi-csis: Remove an incorrect fwnode_handle_put() call

From: Laurent Pinchart
Date: Thu Aug 31 2023 - 03:16:28 EST


Hi Christophe,

Thank you for the patch.

On Wed, Aug 30, 2023 at 11:06:14PM +0200, Christophe JAILLET wrote:
> The commit in Fixes has removed an fwnode_graph_get_endpoint_by_id() call
> in mipi_csis_subdev_init().
> So the reference that was taken should not be released anymore in the
> error handling path of the probe and in the remove function.
>
> Remove the now incorrect fwnode_handle_put() calls.
>
> Fixes: 1029939b3782 ("media: v4l: async: Simplify async sub-device fwnode matching")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
> drivers/media/platform/nxp/imx-mipi-csis.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/media/platform/nxp/imx-mipi-csis.c b/drivers/media/platform/nxp/imx-mipi-csis.c
> index 16f19a640130..5f93712bf485 100644
> --- a/drivers/media/platform/nxp/imx-mipi-csis.c
> +++ b/drivers/media/platform/nxp/imx-mipi-csis.c
> @@ -1490,7 +1490,6 @@ static int mipi_csis_probe(struct platform_device *pdev)
> v4l2_async_unregister_subdev(&csis->sd);
> err_disable_clock:
> mipi_csis_clk_disable(csis);
> - fwnode_handle_put(csis->sd.fwnode);
>
> return ret;
> }
> @@ -1510,7 +1509,6 @@ static void mipi_csis_remove(struct platform_device *pdev)
> mipi_csis_clk_disable(csis);
> v4l2_subdev_cleanup(&csis->sd);
> media_entity_cleanup(&csis->sd.entity);
> - fwnode_handle_put(csis->sd.fwnode);
> pm_runtime_set_suspended(&pdev->dev);
> }
>

--
Regards,

Laurent Pinchart