linux-kernel - [PATCH V3 2/4] cpufreq: cppc: Pass structure instance by reference

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 21 Jun 2021 14:49:35 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Rafael Wysocki <rjw@...ysocki.net>,
        Ionela Voinescu <ionela.voinescu@....com>,
        Viresh Kumar <viresh.kumar@...aro.org>
Cc:     linux-pm@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Qian Cai <quic_qiancai@...cinc.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH V3 2/4] cpufreq: cppc: Pass structure instance by reference

Don't pass structure instance by value, pass it by reference instead.

Tested-by: Vincent Guittot <vincent.guittot@...aro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 drivers/cpufreq/cppc_cpufreq.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/cpufreq/cppc_cpufreq.c b/drivers/cpufreq/cppc_cpufreq.c
index 35b8ae66d1fb..490175d65082 100644
--- a/drivers/cpufreq/cppc_cpufreq.c
+++ b/drivers/cpufreq/cppc_cpufreq.c
@@ -373,18 +373,18 @@ static inline u64 get_delta(u64 t1, u64 t0)
 }
 
 static int cppc_get_rate_from_fbctrs(struct cppc_cpudata *cpu_data,
-				     struct cppc_perf_fb_ctrs fb_ctrs_t0,
-				     struct cppc_perf_fb_ctrs fb_ctrs_t1)
+				     struct cppc_perf_fb_ctrs *fb_ctrs_t0,
+				     struct cppc_perf_fb_ctrs *fb_ctrs_t1)
 {
 	u64 delta_reference, delta_delivered;
 	u64 reference_perf, delivered_perf;
 
-	reference_perf = fb_ctrs_t0.reference_perf;
+	reference_perf = fb_ctrs_t0->reference_perf;
 
-	delta_reference = get_delta(fb_ctrs_t1.reference,
-				    fb_ctrs_t0.reference);
-	delta_delivered = get_delta(fb_ctrs_t1.delivered,
-				    fb_ctrs_t0.delivered);
+	delta_reference = get_delta(fb_ctrs_t1->reference,
+				    fb_ctrs_t0->reference);
+	delta_delivered = get_delta(fb_ctrs_t1->delivered,
+				    fb_ctrs_t0->delivered);
 
 	/* Check to avoid divide-by zero */
 	if (delta_reference || delta_delivered)
@@ -415,7 +415,7 @@ static unsigned int cppc_cpufreq_get_rate(unsigned int cpu)
 	if (ret)
 		return ret;
 
-	return cppc_get_rate_from_fbctrs(cpu_data, fb_ctrs_t0, fb_ctrs_t1);
+	return cppc_get_rate_from_fbctrs(cpu_data, &fb_ctrs_t0, &fb_ctrs_t1);
 }
 
 static int cppc_cpufreq_set_boost(struct cpufreq_policy *policy, int state)
-- 
2.31.1.272.g89b43f80a514