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PM / Domains: Fix unsafe iteration over modified list of domain providers

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of_genpd_del_provider() iterates over list of domain provides and
removes matching element thus it has to use safe version of list
iteration.

Fixes: aa42240ab2 (PM / Domains: Add generic OF-based PM domain look-up)
Cc: 3.19+ <[email protected]> # 3.19+
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Acked-by: Ulf Hansson <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Krzysztof Kozlowski 2017-06-28 16:56:19 +02:00 • committed by Rafael J. Wysocki
commit b556b15dc0
1 changed files with 2 additions and 2 deletions
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4
drivers/base/power/domain.c
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@ -1835,12 +1835,12 @@ EXPORT_SYMBOL_GPL(of_genpd_add_provider_onecell);
*/
void of_genpd_del_provider(struct device_node *np)
{
struct of_genpd_provider *cp;
struct of_genpd_provider *cp, *tmp;
struct generic_pm_domain *gpd;
mutex_lock(&gpd_list_lock);
mutex_lock(&of_genpd_mutex);
list_for_each_entry(cp, &of_genpd_providers, link) {
list_for_each_entry_safe(cp, tmp, &of_genpd_providers, link) {
if (cp->node == np) {
/*
* For each PM domain associated with the