This is a note to let you know that I've just added the patch titled PM / Domains: Fix unsafe iteration over modified list of domain providers to the 4.12-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: pm-domains-fix-unsafe-iteration-over-modified-list-of-domain-providers.patch and it can be found in the queue-4.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From b556b15dc04e9b9b98790f04c21acf5e24f994b2 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski <krzk@xxxxxxxxxx> Date: Wed, 28 Jun 2017 16:56:19 +0200 Subject: PM / Domains: Fix unsafe iteration over modified list of domain providers From: Krzysztof Kozlowski <krzk@xxxxxxxxxx> 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: aa42240ab254 (PM / Domains: Add generic OF-based PM domain look-up) 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 @@ -1780,12 +1780,12 @@ 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; 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 Patches currently in stable-queue which might be from krzk@xxxxxxxxxx are queue-4.12/pm-domains-fix-unsafe-iteration-over-modified-list-of-domain-providers.patch queue-4.12/pm-domains-fix-unsafe-iteration-over-modified-list-of-domains.patch queue-4.12/pm-domains-fix-unsafe-iteration-over-modified-list-of-device-links.patch