drm/sti: correctly test devm_ioremap() return
In case of error, the function devm_ioremap_nocache() returns NULL not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
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@ -499,8 +499,8 @@ static int sti_dvo_probe(struct platform_device *pdev)
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}
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dvo->regs = devm_ioremap_nocache(dev, res->start,
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resource_size(res));
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if (IS_ERR(dvo->regs))
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return PTR_ERR(dvo->regs);
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if (!dvo->regs)
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return -ENOMEM;
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dvo->clk_pix = devm_clk_get(dev, "dvo_pix");
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if (IS_ERR(dvo->clk_pix)) {
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