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cpufreq: dt: call of_node_put() before error out

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If of_match_node() fails, this init function bails out without
calling of_node_put().

Also change of_node_put(of_root) to of_node_put(np); both of them
hold the same pointer, but it seems better to call of_node_put()
against the node returned by of_find_node_by_path().

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Masahiro Yamada 2016-06-27 14:50:13 +09:00 committed by Rafael J. Wysocki
parent 5ab666e095
commit ca5eda5d3d
1 changed files with 4 additions and 3 deletions
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7
drivers/cpufreq/cpufreq-dt-platdev.c
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@ -79,15 +79,16 @@ static const struct of_device_id machines[] __initconst = {
static int __init cpufreq_dt_platdev_init(void)
{
struct device_node *np = of_find_node_by_path("/");
const struct of_device_id *match;
if (!np)
return -ENODEV;
if (!of_match_node(machines, np))
match = of_match_node(machines, np);
of_node_put(np);
if (!match)
return -ENODEV;
of_node_put(of_root);
return PTR_ERR_OR_ZERO(platform_device_register_simple("cpufreq-dt", -1,
NULL, 0));
}