xen: events: Fix compile error if CONFIG_SMP is not defined.

drivers/xen/events.c:396: error: 'struct irq_data' has no member named 'affinity'

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

drivers/xen/events.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -392,8 +392,10 @@ static void xen_irq_init(unsigned irq)
		struct irq_info *info;
		struct irq_desc *desc = irq_to_desc(irq);

		#ifdef CONFIG_SMP
		/* By default all event channels notify CPU#0. */
		cpumask_copy(desc->irq_data.affinity, cpumask_of(0));
		#endif

		info = kzalloc(sizeof(*info), GFP_KERNEL);
		if (info == NULL)