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net: Fix return value about devm_platform_ioremap_resource()

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When call function devm_platform_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tiezhu Yang 2020-05-22 19:03:21 +08:00 committed by David S. Miller
parent d04322a0da
commit ef24d6c3d6
4 changed files with 7 additions and 4 deletions
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5
drivers/net/can/ifi_canfd/ifi_canfd.c
View File

@ -947,8 +947,11 @@ static int ifi_canfd_plat_probe(struct platform_device *pdev)
u32 id, rev;
addr = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(addr))
return PTR_ERR(addr);
irq = platform_get_irq(pdev, 0);
if (IS_ERR(addr) || irq < 0)
if (irq < 0)
return -EINVAL;
id = readl(addr + IFI_CANFD_IP_ID);

2
drivers/net/can/sun4i_can.c
View File

@ -792,7 +792,7 @@ static int sun4ican_probe(struct platform_device *pdev)
addr = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(addr)) {
err = -EBUSY;
err = PTR_ERR(addr);
goto exit;
}

2
drivers/net/dsa/b53/b53_srab.c
View File

@ -609,7 +609,7 @@ static int b53_srab_probe(struct platform_device *pdev)
priv->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(priv->regs))
return -ENOMEM;
return PTR_ERR(priv->regs);
dev = b53_switch_alloc(&pdev->dev, &b53_srab_ops, priv);
if (!dev)

2
drivers/net/ethernet/marvell/pxa168_eth.c
View File

@ -1418,7 +1418,7 @@ static int pxa168_eth_probe(struct platform_device *pdev)
pep->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(pep->base)) {
err = -ENOMEM;
err = PTR_ERR(pep->base);
goto err_netdev;
}