cpufreq/amd-pstate: Add the missing cpufreq_cpu_put()

Fix the reference counting of cpufreq_policy object in amd_pstate_update()
function by adding the missing cpufreq_cpu_put().

Fixes: e8f555daacd3 ("cpufreq/amd-pstate: fix setting policy current frequency value")
Signed-off-by: Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com>
Reviewed-by: Perry Yuan <perry.yuan@amd.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 68c616b572f22ce7f5d48ffa8d2152a8bbf41a53..eff039ba49ee9cfa17cc4ec9d03b4992ac8914b4 100644 (file)
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -554,12 +554,15 @@ static void amd_pstate_update(struct amd_cpudata *cpudata, u32 min_perf,
        }
 
        if (value == prev)
-               return;
+               goto cpufreq_policy_put;
 
        WRITE_ONCE(cpudata->cppc_req_cached, value);
 
        amd_pstate_update_perf(cpudata, min_perf, des_perf,
                               max_perf, fast_switch);
+
+cpufreq_policy_put:
+       cpufreq_cpu_put(policy);
 }
 
 static int amd_pstate_verify(struct cpufreq_policy_data *policy)