[PATCH] sh: make use of for_each_node_by_type()

From: Dmitry Torokhov
Date: Wed Feb 01 2017 - 18:09:37 EST


Instead of open-coding the loop, let's use canned macro.

Also make sure we are not leaking last OF node reference.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
---
arch/sh/boards/of-generic.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/sh/boards/of-generic.c b/arch/sh/boards/of-generic.c
index 1fb6d5714bae..fc318386d7b0 100644
--- a/arch/sh/boards/of-generic.c
+++ b/arch/sh/boards/of-generic.c
@@ -56,15 +56,15 @@ const struct of_cpu_method __cpu_method_of_table_sentinel

static void sh_of_smp_probe(void)
{
- struct device_node *np = 0;
- const char *method = 0;
+ struct device_node *np;
+ const char *method = NULL;
const struct of_cpu_method *m = __cpu_method_of_table;

pr_info("SH generic board support: scanning for cpus\n");

init_cpu_possible(cpumask_of(0));

- while ((np = of_find_node_by_type(np, "cpu"))) {
+ for_each_node_by_type(np, "cpu") {
const __be32 *cell = of_get_property(np, "reg", NULL);
u64 id = -1;
if (cell) id = of_read_number(cell, of_n_addr_cells(np));
@@ -80,6 +80,7 @@ static void sh_of_smp_probe(void)
if (!method) {
np = of_find_node_by_name(NULL, "cpus");
of_property_read_string(np, "enable-method", &method);
+ of_node_put(np);
}

pr_info("CPU enable method: %s\n", method);
--
2.11.0.483.g087da7b7c-goog


--
Dmitry