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-rw-r--r--include/linux/irq.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index d2d543794093..dcfac6c8ba18 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -781,7 +781,10 @@ static inline struct cpumask *irq_data_get_affinity_mask(struct irq_data *d)
static inline
struct cpumask *irq_data_get_effective_affinity_mask(struct irq_data *d)
{
- return d->common->effective_affinity;
+ if (!cpumask_empty(d->common->effective_affinity))
+ return d->common->effective_affinity;
+
+ return d->common->affinity;
}
static inline void irq_data_update_effective_affinity(struct irq_data *d,
const struct cpumask *m)