so don't get new one that we don't need
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
---
arch/x86/kernel/irq_64.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c
index 007e4a2..42b2c12 100644
--- a/arch/x86/kernel/irq_64.c
+++ b/arch/x86/kernel/irq_64.c
@@ -83,7 +83,10 @@ int show_interrupts(struct seq_file *p, void *v)
if (i < nr_irqs) {
unsigned any_count = 0;
- struct irq_desc *desc = irq_desc(i);
+ struct irq_desc *desc = irq_desc_without_new(i);
+
+ if (!desc)
+ return 0;
spin_lock_irqsave(&desc->lock, flags);
#ifndef CONFIG_SMP
--
1.5.4.5
--
