x86: io_apic: Avoid unused variable warning when CONFIG_GENERIC_PENDING_IRQ=n

arch/x86/kernel/apic/io_apic.c: In function 'ack_apic_level':
arch/x86/kernel/apic/io_apic.c:2433: warning: unused variable 'desc'

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <201010272107.o9RL7rse018212@imap1.linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 7cc0a721f628..226060eec341 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2430,13 +2430,12 @@ static void ack_apic_level(struct irq_data *data)
 {
         struct irq_cfg *cfg = data->chip_data;
         int i, do_unmask_irq = 0, irq = data->irq;
-        struct irq_desc *desc = irq_to_desc(irq);
         unsigned long v;
 
         irq_complete_move(cfg);
 #ifdef CONFIG_GENERIC_PENDING_IRQ
         /* If we are moving the irq we need to mask it */
-        if (unlikely(desc->status & IRQ_MOVE_PENDING)) {
+        if (unlikely(irq_to_desc(irq)->status & IRQ_MOVE_PENDING)) {
                 do_unmask_irq = 1;
                 mask_ioapic(cfg);
         }