From e636c8d336489bf3eed5878299e6cc045bbad077 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:17:29 +0000
Subject: [PATCH] debug lk

---
 kernel/drivers/perf/arm_dsu_pmu.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/kernel/drivers/perf/arm_dsu_pmu.c b/kernel/drivers/perf/arm_dsu_pmu.c
index 98e68ed..1db8ecc 100644
--- a/kernel/drivers/perf/arm_dsu_pmu.c
+++ b/kernel/drivers/perf/arm_dsu_pmu.c
@@ -866,7 +866,11 @@
 	if (ret < 0)
 		return ret;
 	dsu_pmu_cpuhp_state = ret;
-	return platform_driver_register(&dsu_pmu_driver);
+	ret = platform_driver_register(&dsu_pmu_driver);
+	if (ret)
+		cpuhp_remove_multi_state(dsu_pmu_cpuhp_state);
+
+	return ret;
 }
 
 static void __exit dsu_pmu_exit(void)

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