diff options
| -rw-r--r-- | drivers/xen/events.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 7c64473c9f3f..b5a254e9aebe 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -340,9 +340,18 @@ static int find_unbound_irq(void) int irq; struct irq_desc *desc; - for (irq = 0; irq < nr_irqs; irq++) + for (irq = 0; irq < nr_irqs; irq++) { + desc = irq_to_desc(irq); + /* only 0->15 have init'd desc; handle irq > 16 */ + if (desc == NULL) + break; + if (desc->chip == &no_irq_chip) + break; + if (desc->chip != &xen_dynamic_chip) + continue; if (irq_info[irq].type == IRQT_UNBOUND) break; + } if (irq == nr_irqs) panic("No available IRQ to bind to: increase nr_irqs!\n"); @@ -351,7 +360,7 @@ static int find_unbound_irq(void) if (WARN_ON(desc == NULL)) return -1; - dynamic_irq_init(irq); + dynamic_irq_init_keep_chip_data(irq); return irq; } |
