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

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commit b556b15dc0 upstream.

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)
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Krzysztof Kozlowski 2017-06-28 16:56:19 +02:00 committed by Greg Kroah-Hartman
parent f422cfc38e
commit e114c612e2
1 changed files with 2 additions and 2 deletions
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4
drivers/base/power/domain.c
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@ -1642,10 +1642,10 @@ EXPORT_SYMBOL_GPL(__of_genpd_add_provider);
*/
void of_genpd_del_provider(struct device_node *np)
{
struct of_genpd_provider *cp;
struct of_genpd_provider *cp, *tmp;
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) {
list_del(&cp->link);
of_node_put(cp->node);