drm/tegra: Fix return value check
In case of error, the devm_ioremap_resource() function returns ERR_PTR() and never NULL. The NULL test in the return value check should therefore be replaced with IS_ERR(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Thierry Reding <treding@nvidia.com>
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@ -886,8 +886,8 @@ static int tegra_dsi_probe(struct platform_device *pdev)
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regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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dsi->regs = devm_ioremap_resource(&pdev->dev, regs);
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if (!dsi->regs)
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return -EADDRNOTAVAIL;
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if (IS_ERR(dsi->regs))
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return PTR_ERR(dsi->regs);
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tegra_dsi_initialize(dsi);
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