9112d1ef5a
[ Upstream commit 9ee68b314e9aa63ed11b98beb8a68810b8234dcf ]
This driver allocates a dynamic cpu hotplug state but never releases it.
If reloaded in a loop it will quickly trigger a WARN message:
"No more dynamic states available for CPU hotplug"
Fix by calling cpuhp_remove_multi_state on remove like several other
perf pmu drivers.
Also fix the cleanup logic on probe error paths: add the missing
cpuhp_remove_multi_state call and properly check the return value from
cpuhp_state_add_instant_nocalls.
Fixes:
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|---|---|---|
| .. | ||
| hisilicon | ||
| arm_dsu_pmu.c | ||
| arm_pmu_acpi.c | ||
| arm_pmu_platform.c | ||
| arm_pmu.c | ||
| arm_smmuv3_pmu.c | ||
| arm_spe_pmu.c | ||
| arm-cci.c | ||
| arm-ccn.c | ||
| fsl_imx8_ddr_perf.c | ||
| Kconfig | ||
| Makefile | ||
| qcom_l2_pmu.c | ||
| qcom_l3_pmu.c | ||
| thunderx2_pmu.c | ||
| xgene_pmu.c | ||