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Commit b556b15d authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Rafael J. Wysocki
Browse files

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



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: aa42240a (PM / Domains: Add generic OF-based PM domain look-up)
Cc: 3.19+ <stable@vger.kernel.org> # 3.19+
Signed-off-by: default avatarKrzysztof Kozlowski <krzk@kernel.org>
Acked-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent c6e83cac

drivers/base/power/domain.c

+2 −2
Original line number Diff line number Diff line
@@ -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