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>

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index dc81779..4591853 100644 (file)
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -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)