From: Yang Yingliang <yangyingliang@xxxxxxxxxx>
[ Upstream commit 35cba15a504bf4f585bb9d78f47b22b28a1a06b2 ]
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 <yangyingliang@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 6fe61d9343cb..9673fbe16774 100644
--- a/drivers/net/ethernet/moxa/moxart_ether.c
+++ b/drivers/net/ethernet/moxa/moxart_ether.c
@@ -487,14 +487,13 @@ static int moxart_mac_probe(struct platform_device *pdev)
priv = netdev_priv(ndev);
priv->ndev = ndev;
- 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)) {
dev_err(p_dev, "devm_ioremap_resource failed\n");
ret = PTR_ERR(priv->base);
goto init_fail;
}
+ ndev->base_addr = res->start;
spin_lock_init(&priv->txlock);
--
2.30.2
