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Commit fa781e9b authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by Greg Kroah-Hartman
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PM / Domains: Fix unsafe iteration over modified list of domain providers 



commit b556b15dc04e9b9b98790f04c21acf5e24f994b2 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: aa42240a (PM / Domains: Add generic OF-based PM domain look-up)
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>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 50a01337

drivers/base/power/domain.c

+2 −2
Original line number Diff line number Diff line
@@ -2056,10 +2056,10 @@ 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);