From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:34714 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750760AbdGVOVT (ORCPT ); Sat, 22 Jul 2017 10:21:19 -0400 Subject: Patch "PM / Domains: Fix unsafe iteration over modified list of domains" has been added to the 4.12-stable tree To: krzk@kernel.org, gregkh@linuxfoundation.org, rafael.j.wysocki@intel.com, ulf.hansson@linaro.org Cc: , From: Date: Sat, 22 Jul 2017 16:16:17 +0200 Message-ID: <1500732977157171@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: 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 domains 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-domains.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 know about it. >>From a7e2d1bce4c1db471f1cbc0c4666a3112bbf0994 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Wed, 28 Jun 2017 16:56:20 +0200 Subject: PM / Domains: Fix unsafe iteration over modified list of domains From: Krzysztof Kozlowski commit a7e2d1bce4c1db471f1cbc0c4666a3112bbf0994 upstream. of_genpd_remove_last() iterates over list of domains and removes matching element thus it has to use safe version of list iteration. Fixes: 17926551c98a (PM / Domains: Add support for removing nested PM domains by provider) Signed-off-by: Krzysztof Kozlowski Acked-by: Ulf Hansson Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- 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 @@ -1925,14 +1925,14 @@ EXPORT_SYMBOL_GPL(of_genpd_add_subdomain */ struct generic_pm_domain *of_genpd_remove_last(struct device_node *np) { - struct generic_pm_domain *gpd, *genpd = ERR_PTR(-ENOENT); + struct generic_pm_domain *gpd, *tmp, *genpd = ERR_PTR(-ENOENT); int ret; if (IS_ERR_OR_NULL(np)) return ERR_PTR(-EINVAL); mutex_lock(&gpd_list_lock); - list_for_each_entry(gpd, &gpd_list, gpd_list_node) { + list_for_each_entry_safe(gpd, tmp, &gpd_list, gpd_list_node) { if (gpd->provider == &np->fwnode) { ret = genpd_remove(gpd); genpd = ret ? ERR_PTR(ret) : gpd; Patches currently in stable-queue which might be from krzk@kernel.org 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