target/linux/mvebu/patches-4.14/509-cpufreq-armada-37xx-Fix-clock-leak.patch

   1 From bbcc328561040292f7d6796954d478e4a2335e6f Mon Sep 17 00:00:00 2001
   2 From: Gregory CLEMENT <gregory.clement@bootlin.com>
   3 Date: Wed, 4 Apr 2018 16:44:44 +0200
   4 Subject: [PATCH] cpufreq: armada-37xx: Fix clock leak
   5
   6 There was no clk_put() balancing the clk_get(). This commit fixes it.
   7
   8 Fixes: 92ce45fb875d (cpufreq: Add DVFS support for Armada 37xx)
   9 Cc: 4.16+ <stable@vger.kernel.org> # 4.16+
  10 Reported-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
  11 Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
  12 Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
  13 Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
  14 ---
  15  drivers/cpufreq/armada-37xx-cpufreq.c | 2 ++
  16  1 file changed, 2 insertions(+)
  17
  18 --- a/drivers/cpufreq/armada-37xx-cpufreq.c
  19 +++ b/drivers/cpufreq/armada-37xx-cpufreq.c
  20 @@ -202,6 +202,7 @@ static int __init armada37xx_cpufreq_dri
  21         cur_frequency = clk_get_rate(clk);
  22         if (!cur_frequency) {
  23                 dev_err(cpu_dev, "Failed to get clock rate for CPU\n");
  24 +               clk_put(clk);
  25                 return -EINVAL;
  26         }
  27
  28 @@ -210,6 +211,7 @@ static int __init armada37xx_cpufreq_dri
  29                 return -EINVAL;
  30
  31         armada37xx_cpufreq_dvfs_setup(nb_pm_base, clk, dvfs->divider);
  32 +       clk_put(clk);
  33
  34         for (load_lvl = ARMADA_37XX_DVFS_LOAD_0; load_lvl < LOAD_LEVEL_NR;
  35              load_lvl++) {