Crashes on free_irq() otherwise. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- arch/mips/sibyte/sb1250/irq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux-2.6/arch/mips/sibyte/sb1250/irq.c =================================================================== --- linux-2.6.orig/arch/mips/sibyte/sb1250/irq.c +++ linux-2.6/arch/mips/sibyte/sb1250/irq.c @@ -178,7 +178,7 @@ static void ack_sb1250_irq(struct irq_da static struct irq_chip sb1250_irq_type = { .name = "SB1250-IMR", - .irq_mask_ack = ack_sb1250_irq, + .irq_mask = ack_sb1250_irq, .irq_unmask = enable_sb1250_irq, #ifdef CONFIG_SMP .irq_set_affinity = sb1250_set_affinity