The of_iomap() function doesn't return error pointers, it returns NULL.
Fix the error checking to check for NULL pointers.

Fixes: 86cd4301c285 ("irqchip/aspeed-scu-ic: Refactor driver to support variant-based initialization")
Signed-off-by: Dan Carpenter <redacted>
---
 drivers/irqchip/irq-aspeed-scu-ic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-aspeed-scu-ic.c b/drivers/irqchip/irq-aspeed-scu-ic.c
index 5584e0f82cce..bee59c8c4c93 100644
--- a/drivers/irqchip/irq-aspeed-scu-ic.c
+++ b/drivers/irqchip/irq-aspeed-scu-ic.c

@@ -215,8 +215,8 @@ static int aspeed_scu_ic_of_init_common(struct aspeed_scu_ic *scu_ic,
 	int irq, rc = 0;
 
 	scu_ic->base = of_iomap(node, 0);
-	if (IS_ERR(scu_ic->base)) {
-		rc = PTR_ERR(scu_ic->base);
+	if (!scu_ic->base) {
+		rc = -ENOMEM;
 		goto err;
 	}
 

-- 
2.51.0