debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/drivers/perf/arm_dsu_pmu.c
..
..
@@ -866,7 +866,11 @@
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 	if (ret < 0)
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 		return ret;
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 	dsu_pmu_cpuhp_state = ret;
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-	return platform_driver_register(&dsu_pmu_driver);
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+	ret = platform_driver_register(&dsu_pmu_driver);
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+	if (ret)
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+		cpuhp_remove_multi_state(dsu_pmu_cpuhp_state);
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+
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+	return ret;
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 }
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 static void __exit dsu_pmu_exit(void)