1 files changed, 5 insertions, 2 deletions

diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 0df255414836..ac4d29119f3e 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -295,17 +295,20 @@ static inline void handle_one_irq(unsigned int irq)
         unsigned long saved_sp_limit;
         struct irq_desc *desc;
 
+        desc = irq_to_desc(irq);
+        if (!desc)
+                return;
+
         /* Switch to the irq stack to handle this */
         curtp = current_thread_info();
         irqtp = hardirq_ctx[smp_processor_id()];
 
         if (curtp == irqtp) {
                 /* We're already on the irq stack, just handle it */
-                generic_handle_irq(irq);
+                desc->handle_irq(irq, desc);
                 return;
         }
 
-        desc = irq_to_desc(irq);
         saved_sp_limit = current->thread.ksp_limit;
 
         irqtp->task = curtp->task;