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net: lantiq: Fix return value check in xrx200_probe()

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In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().

Fixes: fe1a56420c ("net: lantiq: Add Lantiq / Intel VRX200 Ethernet driver")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Yongjun 2018-09-15 01:33:50 +00:00 committed by David S. Miller
parent f592e0b989
commit b8b2de91e9
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/lantiq_xrx200.c
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@ -461,9 +461,9 @@ static int xrx200_probe(struct platform_device *pdev)
}
priv->pmac_reg = devm_ioremap_resource(dev, res);
if (!priv->pmac_reg) {
if (IS_ERR(priv->pmac_reg)) {
dev_err(dev, "failed to request and remap io ranges\n");
return -ENOMEM;
return PTR_ERR(priv->pmac_reg);
}
priv->chan_rx.dma.irq = platform_get_irq_byname(pdev, "rx");