s390/irq: 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/20241015190953.1266194-6-bvanassche@acm.org

diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c
index 2639a3d12736a81d94c5d712ac52b6bceea5d1ae..a2c867181b5afa48b3850e4e1b3c1834646a9a3a 100644 (file)
--- a/arch/s390/kernel/irq.c
+++ b/arch/s390/kernel/irq.c
@@ -253,7 +253,7 @@ int show_interrupts(struct seq_file *p, void *v)
                seq_putc(p, '\n');
                goto out;
        }
-       if (index < nr_irqs) {
+       if (index < irq_get_nr_irqs()) {
                show_msi_interrupt(p, index);
                goto out;
        }