diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index aa57d5d..b5f4742 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -115,7 +115,7 @@
 	struct irq_desc *desc;
 	int i, ok = 0;
 
-	if (atomic_inc_return(&irq_poll_active) == 1)
+	if (atomic_inc_return(&irq_poll_active) != 1)
 		goto out;
 
 	irq_poll_cpu = smp_processor_id();