4.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Krzysztof Kozlowski <krzk@xxxxxxxxxx> commit a7e2d1bce4c1db471f1cbc0c4666a3112bbf0994 upstream. of_genpd_remove_last() iterates over list of domains and removes matching element thus it has to use safe version of list iteration. Fixes: 17926551c98a (PM / Domains: Add support for removing nested PM domains by provider) Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> Acked-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/base/power/domain.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -1925,14 +1925,14 @@ EXPORT_SYMBOL_GPL(of_genpd_add_subdomain */ struct generic_pm_domain *of_genpd_remove_last(struct device_node *np) { - struct generic_pm_domain *gpd, *genpd = ERR_PTR(-ENOENT); + struct generic_pm_domain *gpd, *tmp, *genpd = ERR_PTR(-ENOENT); int ret; if (IS_ERR_OR_NULL(np)) return ERR_PTR(-EINVAL); mutex_lock(&gpd_list_lock); - list_for_each_entry(gpd, &gpd_list, gpd_list_node) { + list_for_each_entry_safe(gpd, tmp, &gpd_list, gpd_list_node) { if (gpd->provider == &np->fwnode) { ret = genpd_remove(gpd); genpd = ret ? ERR_PTR(ret) : gpd;