Re: [PATCH 04/10] of: Fix refcount leakage for OF node returned by __of_get_dma_parent()

[Rob Herring]

On Fri, Dec 06, 2024 at 08:52:30AM +0800, Zijun Hu wrote:
> From: Zijun Hu <quic_zijuhu@xxxxxxxxxxx>
> 
> __of_get_dma_parent() returns OF device node @args.np, but the node's
> refcount is increased twice, by both of_parse_phandle_with_args() and
> of_node_get(), so causes refcount leakage for the node.
> 
> Fix by directly returning the node got by of_parse_phandle_with_args().
> 
> Fixes: f83a6e5dea6c ("of: address: Add support for the parent DMA bus")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Zijun Hu <quic_zijuhu@xxxxxxxxxxx>
> ---
>  drivers/of/address.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

Rob