net: ethernet: bgmac: Fix return value check in bgmac_probe()
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(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -141,7 +141,7 @@ static int bgmac_probe(struct platform_device *pdev)
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}
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bgmac->plat.idm_base = devm_ioremap_resource(&pdev->dev, regs);
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if (!bgmac->plat.idm_base) {
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if (IS_ERR(bgmac->plat.idm_base)) {
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dev_err(&pdev->dev, "Unable to map idm resource\n");
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return PTR_ERR(bgmac->plat.idm_base);
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}
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