X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=drivers%2Fbus%2Farm-ccn.c;h=7082c7268845639399d9ceab44471937011e1705;hb=d63a9788650fcd999b34584316afee6bd4378f19;hp=7d9879e166cf4c4346402cb353ef3cd002483740;hpb=4c7d83e8a8106d90d4eff971c8d070f718ac4f9c;p=karo-tx-linux.git

diff --git a/drivers/bus/arm-ccn.c b/drivers/bus/arm-ccn.c
index 7d9879e166cf..7082c7268845 100644
--- a/drivers/bus/arm-ccn.c
+++ b/drivers/bus/arm-ccn.c
@@ -1184,11 +1184,12 @@ static int arm_ccn_pmu_cpu_notifier(struct notifier_block *nb,
 		if (!cpumask_test_and_clear_cpu(cpu, &dt->cpu))
 			break;
 		target = cpumask_any_but(cpu_online_mask, cpu);
-		if (target < 0)
+		if (target >= nr_cpu_ids)
 			break;
 		perf_pmu_migrate_context(&dt->pmu, cpu, target);
 		cpumask_set_cpu(target, &dt->cpu);
-		WARN_ON(irq_set_affinity(ccn->irq, &dt->cpu) != 0);
+		if (ccn->irq)
+			WARN_ON(irq_set_affinity(ccn->irq, &dt->cpu) != 0);
 	default:
 		break;
 	}