drivers/perf: arm_pmu_acpi: Release memory obtained by kasprintf

Free memory region, if arm_pmu_acpi_probe is not successful.
Acked-by: NWill Deacon <will.deacon@arm.com>
Signed-off-by: NArvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>

drivers/perf/arm_pmu_acpi.c

@@ -235,6 +235,7 @@ int arm_pmu_acpi_probe(armpmu_init_fn init_fn)
 		ret = armpmu_register(pmu);
 		if (ret) {
 			pr_warn("Failed to register PMU for CPU%d\n", cpu);
+			kfree(pmu->name);
 			return ret;
 		}
 	}