[PATCH] net: dsa: rzn1-a5psw: fix a NULL vs IS_ERR() check in a5psw_probe()

[Peng Wu]

The devm_platform_ioremap_resource() function never returns NULL.
It returns error pointers.

Signed-off-by: Peng Wu <wupeng58@xxxxxxxxxx>
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
---
 drivers/net/dsa/rzn1_a5psw.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/dsa/rzn1_a5psw.c b/drivers/net/dsa/rzn1_a5psw.c
index 3e910da98ae2..5b14e2ba9b79 100644
--- a/drivers/net/dsa/rzn1_a5psw.c
+++ b/drivers/net/dsa/rzn1_a5psw.c
@@ -946,8 +946,8 @@ static int a5psw_probe(struct platform_device *pdev)
 	mutex_init(&a5psw->lk_lock);
 	spin_lock_init(&a5psw->reg_lock);
 	a5psw->base = devm_platform_ioremap_resource(pdev, 0);
-	if (!a5psw->base)
-		return -EINVAL;
+	if (IS_ERR(a5psw->base))
+		return PTR_ERR(a5psw->base);
 
 	ret = a5psw_pcs_get(a5psw);
 	if (ret)
-- 
2.17.1