Add lockdep checks for holding mutex protecting the list of domains. This might expose misuse even though only file-scope functions use it for now.
Signed-off-by: Krzysztof Kozlowski <[email protected]> --- drivers/base/power/domain.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index be34cbf3793e..1a47c5ff6a2f 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -726,6 +726,8 @@ static bool pm_genpd_present(const struct generic_pm_domain *genpd) { const struct generic_pm_domain *gpd; + lockdep_assert_held(&gpd_list_lock); + if (IS_ERR_OR_NULL(genpd)) return false; @@ -1321,6 +1323,8 @@ static int genpd_add_subdomain(struct generic_pm_domain *genpd, struct gpd_link *link, *itr; int ret = 0; + lockdep_assert_held(&gpd_list_lock); + if (IS_ERR_OR_NULL(genpd) || IS_ERR_OR_NULL(subdomain) || genpd == subdomain) return -EINVAL; @@ -1528,6 +1532,8 @@ static int genpd_remove(struct generic_pm_domain *genpd) { struct gpd_link *l, *link; + lockdep_assert_held(&gpd_list_lock); + if (IS_ERR_OR_NULL(genpd)) return -EINVAL; -- 2.11.0
