Commit 8dda30f8 authored Jun 18, 2022 by Liang He Committed by Greg Kroah-Hartman Jul 21, 2022

cpufreq: pmac32-cpufreq: Fix refcount leak bug



[ 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>

parent b749af1b

drivers/cpufreq/pmac32-cpufreq.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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
		*/