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mmc: jz4740: fix return value check in jz4740_mmc_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(). Also there is already a error message within devm_ioremap_resource(), so remove the dev_err call to avoid redundant error message. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Chris Ball <cjb@laptop.org>
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1 changed files with 2 additions and 3 deletions
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@ -783,9 +783,8 @@ static int jz4740_mmc_probe(struct platform_device* pdev)
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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host->base = devm_ioremap_resource(&pdev->dev, res);
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if (!host->base) {
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ret = -EBUSY;
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dev_err(&pdev->dev, "Failed to ioremap base memory\n");
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if (IS_ERR(host->base)) {
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ret = PTR_ERR(host->base);
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goto err_free_host;
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}
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