On 12 June 2017 at 17:17, Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
> 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")
> Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
Acked-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
> ---
> drivers/base/power/domain.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
> index d1e438024e46..b74b5111957a 100644
> --- a/drivers/base/power/domain.c
> +++ b/drivers/base/power/domain.c
> @@ -1789,12 +1789,12 @@ 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
> --
> 2.9.3
>