xen/events: Switch to irq_get_nr_irqs()

Use the irq_get_nr_irqs() function instead of the global variable
'nr_irqs'. Prepare for changing 'nr_irqs' from an exported global
variable into a variable with file scope.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241015190953.1266194-20-bvanassche@acm.org

diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 81effbd53dc52b58daa51fc4ea7f906e8cc1ca81..985e155ebe4baf18ebc1bef9377edc0ec3910e65 100644 (file)
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -411,7 +411,7 @@ static evtchn_port_t evtchn_from_irq(unsigned int irq)
 {
        const struct irq_info *info = NULL;
 
-       if (likely(irq < nr_irqs))
+       if (likely(irq < irq_get_nr_irqs()))
                info = info_for_irq(irq);
        if (!info)
                return 0;