Re: [PATCH] rpmsg: mtk: release channel OF node on device teardown

[Mathieu Poirier <mathieu.poirier@linaro.org>]

On Tue, Oct 13, 2026 at 10:47:44AM +0300, Avi Weiss wrote:
> mtk_rpmsg_match_device_subnode() returns a referenced OF child
> node, which is stored in rpdev->dev.of_node.
> 
> mtk_rpmsg_release_device() later frees the containing allocation
> without dropping that ref.
> 
> Release the OF node when the RPMsg device is destroyed.
> 
> Fixes: 7017996951fd ("rpmsg: add rpmsg support for mt8183 SCP.")
> Signed-off-by: Avi Weiss <thnkslprpt@gmail.com>
> ---
>  drivers/rpmsg/mtk_rpmsg.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/rpmsg/mtk_rpmsg.c b/drivers/rpmsg/mtk_rpmsg.c
> index 1b670ed54cfa2..430a9b2aa7bb9 100644
> --- a/drivers/rpmsg/mtk_rpmsg.c
> +++ b/drivers/rpmsg/mtk_rpmsg.c
> @@ -168,6 +168,7 @@ static void mtk_rpmsg_release_device(struct device *dev)
>  	struct rpmsg_device *rpdev = to_rpmsg_device(dev);
>  	struct mtk_rpmsg_device *mdev = to_mtk_rpmsg_device(rpdev);
>  
> +	of_node_put(dev->of_node);
>  	kfree(mdev);
>  }

Applied.

Thanks,
Mathieu

>  
> 
> base-commit: 24a19b953e2a3d0ea5a8c4951a0ab8f32720c907
> -- 
> 2.43.0
>