From: Dhananjay Ugwekar <Dhananjay.Ugwekar@amd.com>
Date: Fri, 9 Aug 2024 06:08:16 +0000 (+0000)
Subject: cpufreq/amd-pstate: Add the missing cpufreq_cpu_put()
X-Git-Tag: v6.12-rc1~217^2~2^2~1^2~7
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=49243adc715e6ae34d6cc003827e63bcf5b3a21d;p=thirdparty%2Flinux.git

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 68c616b572f22..eff039ba49ee9 100644
--- 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)