[PATCH 2/7] arm: mach-shmobile: pm-rmobile: add missing of_node_put after calling of_parse_phandle
Geert Uytterhoeven
geert at linux-m68k.org
Fri Jul 1 05:31:58 PDT 2016
Hi Peter,
On Fri, Jul 1, 2016 at 11:41 AM, Peter Chen <peter.chen at nxp.com> 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 at verge.net.au>
> Cc: Magnus Damm <magnus.damm at gmail.com>
> Signed-off-by: Peter Chen <peter.chen at nxp.com>
NAKed-by: Geert Uytterhoeven <geert+renesas at glider.be>
> --- 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 at linux-m68k.org
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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