From: Liang He Date: Sat, 18 Jun 2022 02:25:45 +0000 (+0800) Subject: cpufreq: pmac32-cpufreq: Fix refcount leak bug X-Git-Tag: v4.19.253~19 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4585890ab2dbf455d80e254d3d859d4c1e357920;p=thirdparty%2Fkernel%2Fstable.git 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 Signed-off-by: Viresh Kumar Signed-off-by: Sasha Levin --- diff --git a/drivers/cpufreq/pmac32-cpufreq.c b/drivers/cpufreq/pmac32-cpufreq.c index e225edb5c3593..ce0dda1a4241b 100644 --- a/drivers/cpufreq/pmac32-cpufreq.c +++ b/drivers/cpufreq/pmac32-cpufreq.c @@ -474,6 +474,10 @@ 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 */