>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. > Thanks, Geert, it is my careless. Please forget this patch. Peter