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-rw-r--r--drivers/bus/arm-ccn.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/bus/arm-ccn.c b/drivers/bus/arm-ccn.c
index cc322fbde9af..7082c7268845 100644
--- a/drivers/bus/arm-ccn.c
+++ b/drivers/bus/arm-ccn.c
@@ -1188,7 +1188,8 @@ static int arm_ccn_pmu_cpu_notifier(struct notifier_block *nb,
1188 break; 1188 break;
1189 perf_pmu_migrate_context(&dt->pmu, cpu, target); 1189 perf_pmu_migrate_context(&dt->pmu, cpu, target);
1190 cpumask_set_cpu(target, &dt->cpu); 1190 cpumask_set_cpu(target, &dt->cpu);
1191 WARN_ON(irq_set_affinity(ccn->irq, &dt->cpu) != 0); 1191 if (ccn->irq)
1192 WARN_ON(irq_set_affinity(ccn->irq, &dt->cpu) != 0);
1192 default: 1193 default:
1193 break; 1194 break;
1194 } 1195 }