linux-kernel - Re: [PATCH] omapfb: Add missing of_node_put() in dvic_probe

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Message-ID: <ea285d28-1b96-984a-b033-4c539c653d11@gmx.de>
Date:   Mon, 7 Mar 2022 14:25:40 +0100
From:   Helge Deller <deller@....de>
To:     Miaoqian Lin <linmq006@...il.com>, Rob Clark <robdclark@...il.com>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Dave Airlie <airlied@...il.com>, linux-omap@...r.kernel.org,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] omapfb: Add missing of_node_put() in dvic_probe_of

On 3/7/22 13:38, Miaoqian Lin wrote:
> The device_node pointer is returned by of_parse_phandle()  with refcount
> incremented. We should use of_node_put() on it when done.
>
> Fixes: f76ee892a99e ("omapfb: copy omapdss & displays for omapfb")
> Signed-off-by: Miaoqian Lin <linmq006@...il.com>

applied to the fbdev for-next tree.
Thanks!
Helge

> ---
>  drivers/video/fbdev/omap2/omapfb/displays/connector-dvi.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/video/fbdev/omap2/omapfb/displays/connector-dvi.c b/drivers/video/fbdev/omap2/omapfb/displays/connector-dvi.c
> index 2fa436475b40..c8ad3ef42bd3 100644
> --- a/drivers/video/fbdev/omap2/omapfb/displays/connector-dvi.c
> +++ b/drivers/video/fbdev/omap2/omapfb/displays/connector-dvi.c
> @@ -246,6 +246,7 @@ static int dvic_probe_of(struct platform_device *pdev)
>  	adapter_node = of_parse_phandle(node, "ddc-i2c-bus", 0);
>  	if (adapter_node) {
>  		adapter = of_get_i2c_adapter_by_node(adapter_node);
> +		of_node_put(adapter_node);
>  		if (adapter == NULL) {
>  			dev_err(&pdev->dev, "failed to parse ddc-i2c-bus\n");
>  			omap_dss_put_device(ddata->in);