diff options
| -rw-r--r-- | kernel/irq/manage.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index f038e586a4b..196a06fbc12 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -244,7 +244,8 @@ int irq_set_affinity_hint(unsigned int irq, const struct cpumask *m) desc->affinity_hint = m; irq_put_desc_unlock(desc, flags); /* set the initial affinity to prevent every interrupt being on CPU0 */ - __irq_set_affinity(irq, m, false); + if (m) + __irq_set_affinity(irq, m, false); return 0; } EXPORT_SYMBOL_GPL(irq_set_affinity_hint); |