* Patch "PM / Domains: Fix unsafe iteration over modified list of domain providers" has been added to the 4.9-stable tree
@ 2017-07-22 14:16 gregkh
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From: gregkh @ 2017-07-22 14:16 UTC (permalink / raw)
To: krzk, gregkh, rafael.j.wysocki, ulf.hansson; +Cc: stable, stable-commits
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 4.9-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-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From b556b15dc04e9b9b98790f04c21acf5e24f994b2 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzk@kernel.org>
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@kernel.org>
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@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>
---
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
@@ -1607,12 +1607,12 @@ 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@kernel.org are
queue-4.9/pm-domains-fix-unsafe-iteration-over-modified-list-of-domain-providers.patch
queue-4.9/pm-domains-fix-unsafe-iteration-over-modified-list-of-domains.patch
queue-4.9/pm-domains-fix-unsafe-iteration-over-modified-list-of-device-links.patch
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2017-07-22 14:16 Patch "PM / Domains: Fix unsafe iteration over modified list of domain providers" has been added to the 4.9-stable tree gregkh
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