From 35cba15a504bf4f585bb9d78f47b22b28a1a06b2 Mon Sep 17 00:00:00 2001 From: Yang Yingliang Date: Mon, 7 Jun 2021 23:02:59 +0800 Subject: [PATCH] net: moxa: Use devm_platform_get_and_ioremap_resource() Use devm_platform_get_and_ioremap_resource() to simplify code and avoid a null-ptr-deref by checking 'res' in it. Signed-off-by: Yang Yingliang Signed-off-by: David S. Miller --- drivers/net/ethernet/moxa/moxart_ether.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c index b85733942053..5249b64f4fc5 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -481,13 +481,12 @@ static int moxart_mac_probe(struct platform_device *pdev) priv->ndev = ndev; priv->pdev = pdev; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - ndev->base_addr = res->start; - priv->base = devm_ioremap_resource(p_dev, res); + priv->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); if (IS_ERR(priv->base)) { ret = PTR_ERR(priv->base); goto init_fail; } + ndev->base_addr = res->start; spin_lock_init(&priv->txlock); -- 2.11.0