diff options
Diffstat (limited to 'kernel/irq/manage.c')
-rw-r--r-- | kernel/irq/manage.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 1d1a5b945ab4..573dc52b0806 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c | |||
@@ -400,8 +400,18 @@ int irq_set_vcpu_affinity(unsigned int irq, void *vcpu_info) | |||
400 | return -EINVAL; | 400 | return -EINVAL; |
401 | 401 | ||
402 | data = irq_desc_get_irq_data(desc); | 402 | data = irq_desc_get_irq_data(desc); |
403 | chip = irq_data_get_irq_chip(data); | 403 | do { |
404 | if (chip && chip->irq_set_vcpu_affinity) | 404 | chip = irq_data_get_irq_chip(data); |
405 | if (chip && chip->irq_set_vcpu_affinity) | ||
406 | break; | ||
407 | #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY | ||
408 | data = data->parent_data; | ||
409 | #else | ||
410 | data = NULL; | ||
411 | #endif | ||
412 | } while (data); | ||
413 | |||
414 | if (data) | ||
405 | ret = chip->irq_set_vcpu_affinity(data, vcpu_info); | 415 | ret = chip->irq_set_vcpu_affinity(data, vcpu_info); |
406 | irq_put_desc_unlock(desc, flags); | 416 | irq_put_desc_unlock(desc, flags); |
407 | 417 | ||