[IA64] fix NULL pointer in ia64/irq_chip-mask/unmask function

[pandora-kernel.git] / arch / ia64 / sn / kernel / irq.c

diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 8c5bee0..8d2a1bf 100644 (file)
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -205,7 +205,17 @@ static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask)
                (void)sn_retarget_vector(sn_irq_info, nasid, slice);
 }
 
-struct hw_interrupt_type irq_type_sn = {
+static void
+sn_mask_irq(unsigned int irq)
+{
+}
+
+static void
+sn_unmask_irq(unsigned int irq)
+{
+}
+
+struct irq_chip irq_type_sn = {
        .name           = "SN hub",
        .startup        = sn_startup_irq,
        .shutdown       = sn_shutdown_irq,
@@ -213,6 +223,8 @@ struct hw_interrupt_type irq_type_sn = {
        .disable        = sn_disable_irq,
        .ack            = sn_ack_irq,
        .end            = sn_end_irq,
+       .mask           = sn_mask_irq,
+       .unmask         = sn_unmask_irq,
        .set_affinity   = sn_set_affinity_irq
 };