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-rw-r--r--arch/powerpc/kernel/irq.c7
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;