linux-kernel - [PATCH] sched/cpufreq: Use %pe format for PTR

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Message-Id: <20260120083333.148385-1-zenghongling@kylinos.cn>
Date: Tue, 20 Jan 2026 16:33:33 +0800
From: zenghongling <zenghongling@...inos.cn>
To: rafael@...nel.org,
	viresh.kumar@...aro.org,
	mingo@...hat.com,
	peterz@...radead.org,
	juri.lelli@...hat.com,
	dietmar.eggemann@....com,
	bsegall@...gle.com,
	vschneid@...hat.com,
	rostedt@...dmis.org,
	mgorman@...e.de
Cc: linux-kernel@...r.kernel.org,
	zhongling0719@....com,
	zenghongling <zenghongling@...inos.cn>
Subject: [PATCH] sched/cpufreq: Use %pe format for PTR_ERR() printing

Use %pe format specifier for printing PTR_ERR() error values
to make error messages more readable.

Found by Coccinelle:
./cpufreq_schedutil.c:685:49-56: WARNING: Consider using %pe to print PTR_ERR()

Signed-off-by: zenghongling <zenghongling@...inos.cn>
---
 kernel/sched/cpufreq_schedutil.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index 0ab5f9d4bc59..cfc40181f66e 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -682,7 +682,7 @@ static int sugov_kthread_create(struct sugov_policy *sg_policy)
 				"sugov:%d",
 				cpumask_first(policy->related_cpus));
 	if (IS_ERR(thread)) {
-		pr_err("failed to create sugov thread: %ld\n", PTR_ERR(thread));
+		pr_err("failed to create sugov thread: %pe\n", thread);
 		return PTR_ERR(thread);
 	}
 
-- 
2.25.1