[PATCH -next] irqchip/mchp-eic: Fix return value check in mchp_eic_init()

Yang Yingliang
2021-10-25T04:53:07Z

In case of error, the function of_iomap() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
drivers/irqchip/irq-mchp-eic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-mchp-eic.c b/drivers/irqchip/irq-mchp-eic.c
index 09b7a8cdb611..c726a19837d2 100644
--- a/drivers/irqchip/irq-mchp-eic.c
+++ b/drivers/irqchip/irq-mchp-eic.c
@@ -209,7 +209,7 @@ static int mchp_eic_init(struct device_node *node, struct device_node *parent)
return -ENOMEM;

eic->base = of_iomap(node, 0);
- if (IS_ERR(eic->base)) {
+ if (!eic->base) {
ret = -ENOMEM;
goto free;
}
--
2.25.1