diff options
| -rw-r--r-- | drivers/opp/core.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 8f53c1b48911..4268eb359915 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -1660,6 +1660,9 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_set_supported_hw); */ void dev_pm_opp_put_supported_hw(struct opp_table *opp_table) { + if (unlikely(!opp_table)) + return; + /* Make sure there are no concurrent readers while updating opp_table */ WARN_ON(!list_empty(&opp_table->opp_list)); @@ -1716,6 +1719,9 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_set_prop_name); */ void dev_pm_opp_put_prop_name(struct opp_table *opp_table) { + if (unlikely(!opp_table)) + return; + /* Make sure there are no concurrent readers while updating opp_table */ WARN_ON(!list_empty(&opp_table->opp_list)); @@ -1844,6 +1850,9 @@ void dev_pm_opp_put_regulators(struct opp_table *opp_table) { int i; + if (unlikely(!opp_table)) + return; + if (!opp_table->regulators) goto put_opp_table; @@ -1926,6 +1935,9 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_set_clkname); */ void dev_pm_opp_put_clkname(struct opp_table *opp_table) { + if (unlikely(!opp_table)) + return; + /* Make sure there are no concurrent readers while updating opp_table */ WARN_ON(!list_empty(&opp_table->opp_list)); @@ -1981,6 +1993,9 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_register_set_opp_helper); */ void dev_pm_opp_unregister_set_opp_helper(struct opp_table *opp_table) { + if (unlikely(!opp_table)) + return; + /* Make sure there are no concurrent readers while updating opp_table */ WARN_ON(!list_empty(&opp_table->opp_list)); @@ -2109,6 +2124,9 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_attach_genpd); */ void dev_pm_opp_detach_genpd(struct opp_table *opp_table) { + if (unlikely(!opp_table)) + return; + /* * Acquire genpd_virt_dev_lock to make sure virt_dev isn't getting * used in parallel. |