Hi Peter,
On Fri, Jul 1, 2016 at 11:41 AM, Peter Chen <peter.chen@xxxxxxx> wrote:
> of_node_put needs to be called when the device node which is got
> from of_parse_phandle has finished using.
>
> Cc: Simon Horman <horms@xxxxxxxxxxxx>
> Cc: Magnus Damm <magnus.damm@xxxxxxxxx>
> Signed-off-by: Peter Chen <peter.chen@xxxxxxx>
NAKed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> --- a/arch/arm/mach-shmobile/pm-rmobile.c
> +++ b/arch/arm/mach-shmobile/pm-rmobile.c
> @@ -209,6 +209,7 @@ static void __init add_special_pd(struct device_node *np, enum pd_types type)
> special_pds[num_special_pds].pd = pd;
The pd pointer is stored in the line above, and released later in
put_special_pds().
> special_pds[num_special_pds].type = type;
> num_special_pds++;
> + of_node_put(pd);
Hence it must not be released here, as that would cause a double release
when put_special_pds() is executed.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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