opp: Fix error check in dev_pm_opp_attach_genpd()
[ Upstream commit 4ea9496cbc959eb5c78f3e379199aca9ef4e386b ]
dev_pm_domain_attach_by_name() may return NULL in some cases,
so IS_ERR() doesn't meet the requirements. Thus fix it.
Fixes: 6319aee10e
("opp: Attach genpds to devices from within OPP core")
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
[ Viresh: Replace ENODATA with ENODEV ]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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parent
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commit
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@ -1881,8 +1881,8 @@ struct opp_table *dev_pm_opp_attach_genpd(struct device *dev,
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}
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}
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virt_dev = dev_pm_domain_attach_by_name(dev, *name);
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virt_dev = dev_pm_domain_attach_by_name(dev, *name);
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if (IS_ERR(virt_dev)) {
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if (IS_ERR_OR_NULL(virt_dev)) {
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ret = PTR_ERR(virt_dev);
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ret = PTR_ERR(virt_dev) ? : -ENODEV;
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dev_err(dev, "Couldn't attach to pm_domain: %d\n", ret);
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dev_err(dev, "Couldn't attach to pm_domain: %d\n", ret);
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goto err;
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goto err;
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}
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}
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