diff --git a/drivers/irqchip/irq-crossbar.c b/drivers/irqchip/irq-crossbar.c
index a39cb316d2b0..88fbe0ff1dde 100644
--- a/drivers/irqchip/irq-crossbar.c
+++ b/drivers/irqchip/irq-crossbar.c
@@ -102,15 +102,15 @@ static int crossbar_domain_xlate(struct irq_domain *d,
 				 unsigned long *out_hwirq,
 				 unsigned int *out_type)
 {
-	unsigned long ret;
+	int ret;
 
 	ret = get_prev_map_irq(intspec[1]);
-	if (!IS_ERR_VALUE(ret))
+	if (ret >= 0)
 		goto found;
 
 	ret = allocate_free_irq(intspec[1]);
 
-	if (IS_ERR_VALUE(ret))
+	if (ret < 0)
 		return ret;
 
 found: