usb: chipidea: fix return value check in ci_hdrc_pci_probe()
In case of error, the function usb_phy_generic_register() 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: Peter Chen <peter.chen@nxp.com>
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@ -85,8 +85,8 @@ static int ci_hdrc_pci_probe(struct pci_dev *pdev,
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/* register a nop PHY */
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ci->phy = usb_phy_generic_register();
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if (!ci->phy)
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return -ENOMEM;
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if (IS_ERR(ci->phy))
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return PTR_ERR(ci->phy);
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memset(res, 0, sizeof(res));
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res[0].start = pci_resource_start(pdev, 0);
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