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linux-sg2042
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Merge branch 'pm-domains' into pm 

* pm-domains:
  PM / Domains: Avoid a potential deadlock
This commit is contained in:
Rafael J. Wysocki 2019-03-22 10:12:13 +01:00
parent 2a95496634 2071ac985d
commit 112a04f653
1 changed files with 6 additions and 7 deletions
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13
drivers/base/power/domain.c
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@ -1469,12 +1469,12 @@ static int genpd_add_device(struct generic_pm_domain *genpd, struct device *dev,
if (IS_ERR(gpd_data))
return PTR_ERR(gpd_data);
genpd_lock(genpd);
ret = genpd->attach_dev ? genpd->attach_dev(genpd, dev) : 0;
if (ret)
goto out;
genpd_lock(genpd);
dev_pm_domain_set(dev, &genpd->domain);
genpd->device_count++;
@ -1482,9 +1482,8 @@ static int genpd_add_device(struct generic_pm_domain *genpd, struct device *dev,
list_add_tail(&gpd_data->base.list_node, &genpd->dev_list);
out:
genpd_unlock(genpd);
out:
if (ret)
genpd_free_dev_data(dev, gpd_data);
else
@ -1533,15 +1532,15 @@ static int genpd_remove_device(struct generic_pm_domain *genpd,
genpd->device_count--;
genpd->max_off_time_changed = true;
if (genpd->detach_dev)
genpd->detach_dev(genpd, dev);
dev_pm_domain_set(dev, NULL);
list_del_init(&pdd->list_node);
genpd_unlock(genpd);
if (genpd->detach_dev)
genpd->detach_dev(genpd, dev);
genpd_free_dev_data(dev, gpd_data);
return 0;