Acked-by: Anitha Chrisanthus <anitha.chrisanthus@xxxxxxxxx>
> -----Original Message-----
> From: jing yangyang <cgel.zte@xxxxxxxxx>
> Sent: Thursday, August 19, 2021 7:10 PM
> To: Chrisanthus, Anitha <anitha.chrisanthus@xxxxxxxxx>
> Cc: Dea, Edmund J <edmund.j.dea@xxxxxxxxx>; David Airlie <airlied@xxxxxxxx>;
> Daniel Vetter <daniel@xxxxxxxx>; dri-devel@xxxxxxxxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; jing yangyang <jing.yangyang@xxxxxxxxxx>; Zeal
> Robot <zealci@xxxxxxxxxx>
> Subject: [PATCH linux-next] : add put_device() after of_find_device_by_node()
>
> This was found by coccicheck:
> ./drivers/gpu/drm/kmb/kmb_drv.c:503:2-8:
> ERROR missing put_device; call of_find_device_by_node on line 490,
> but without a corresponding object release within this function.
>
> Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
> Signed-off-by: jing yangyang <jing.yangyang@xxxxxxxxxx>
> ---
> drivers/gpu/drm/kmb/kmb_drv.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/kmb/kmb_drv.c
> b/drivers/gpu/drm/kmb/kmb_drv.c
> index f54392e..58495a9 100644
> --- a/drivers/gpu/drm/kmb/kmb_drv.c
> +++ b/drivers/gpu/drm/kmb/kmb_drv.c
> @@ -500,8 +500,10 @@ static int kmb_probe(struct platform_device *pdev)
> ret = kmb_dsi_host_bridge_init(get_device(&dsi_pdev->dev));
>
> if (ret == -EPROBE_DEFER) {
> + put_device(&dsi_pdev->dev);
> return -EPROBE_DEFER;
> } else if (ret) {
> + put_device(&dsi_pdev->dev);
> DRM_ERROR("probe failed to initialize DSI host bridge\n");
> return ret;
> }
> @@ -509,9 +511,10 @@ static int kmb_probe(struct platform_device *pdev)
> /* Create DRM device */
> kmb = devm_drm_dev_alloc(dev, &kmb_driver,
> struct kmb_drm_private, drm);
> - if (IS_ERR(kmb))
> + if (IS_ERR(kmb)) {
> + put_device(&dsi_pdev->dev);
> return PTR_ERR(kmb);
> -
> + }
> dev_set_drvdata(dev, &kmb->drm);
>
> /* Initialize MIPI DSI */
> --
> 1.8.3.1
>
