Hi Li, On Thu, Dec 27, 2018 at 11:27:11AM -0500, Yangtao Li wrote: > The of_find_node_by_type() returns a node pointer with refcount > incremented, but there is the lack of use of the of_node_put() when > done. Add the missing of_node_put() to release the refcount. > > Signed-off-by: Yangtao Li <tiny.win...@gmail.com> > --- > arch/csky/kernel/smp.c | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/arch/csky/kernel/smp.c b/arch/csky/kernel/smp.c > index 36ebaf9834e1..adec56df613b 100644 > --- a/arch/csky/kernel/smp.c > +++ b/arch/csky/kernel/smp.c > @@ -139,11 +139,17 @@ void __init setup_smp(void) > int cpu; > > while ((node = of_find_node_by_type(node, "cpu"))) { > - if (!of_device_is_available(node)) > + if (!of_device_is_available(node)) { > + of_node_put(node); > continue; > + } > > - if (of_property_read_u32(node, "reg", &cpu)) > + if (of_property_read_u32(node, "reg", &cpu)) { > + of_node_put(node); > continue; > + } > + > + of_node_put(node); If success, of_node_put ? > > if (cpu >= NR_CPUS) Here need a of_node_put()? > continue;
Can you use for_each_of_cpu_node() for the patch? Thx Guo Ren