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sh: make use of for_each_node_by_type()

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

Also make sure we are not leaking "cpus" node reference.

Link: http://lkml.kernel.org/r/20180624224252.GA220395@dtor-ws
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dmitry Torokhov 2018-08-17 15:44:17 -07:00 committed by Linus Torvalds
parent ab62ef82ea
commit 82f7c5103d
1 changed files with 4 additions and 3 deletions
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7
arch/sh/boards/of-generic.c
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@ -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);