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    Subject[PATCH 5.10 081/112] cpufreq: pmac32-cpufreq: Fix refcount leak bug
    Date
    From: Liang He <windhl@126.com>

    [ 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>
    ---
    drivers/cpufreq/pmac32-cpufreq.c | 4 ++++
    1 file changed, 4 insertions(+)

    diff --git a/drivers/cpufreq/pmac32-cpufreq.c b/drivers/cpufreq/pmac32-cpufreq.c
    index 73621bc11976..3704476bb83a 100644
    --- a/drivers/cpufreq/pmac32-cpufreq.c
    +++ b/drivers/cpufreq/pmac32-cpufreq.c
    @@ -471,6 +471,10 @@ 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
    */
    --
    2.35.1


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