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cpufreq: pmac32-cpufreq: Fix refcount leak bug

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[ Upstream commit ccd7567d4b6cf187fdfa55f003a9e461ee629e36 ]

In pmac_cpufreq_init_MacRISC3(), we need to add corresponding
of_node_put() for the three node pointers whose refcount have
been incremented by of_find_node_by_name().

Signed-off-by: Liang He <windhl@126.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Liang He 2022-06-18 10:25:45 +08:00 committed by Greg Kroah-Hartman
parent 840d81ff43
commit 4f242486bf
1 changed files with 4 additions and 0 deletions
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4
drivers/cpufreq/pmac32-cpufreq.c
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@ -473,6 +473,10 @@ static int pmac_cpufreq_init_MacRISC3(struct device_node *cpunode)
if (slew_done_gpio_np)
slew_done_gpio = read_gpio(slew_done_gpio_np);
of_node_put(volt_gpio_np);
of_node_put(freq_gpio_np);
of_node_put(slew_done_gpio_np);
/* If we use the frequency GPIOs, calculate the min/max speeds based
* on the bus frequencies
*/