diff options
Diffstat (limited to 'drivers/opp/of.c')
| -rw-r--r-- | drivers/opp/of.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/opp/of.c b/drivers/opp/of.c index 9faeb83e4b32..aa0ac5d4e479 100644 --- a/drivers/opp/of.c +++ b/drivers/opp/of.c @@ -112,8 +112,6 @@ static struct opp_table *_find_table_of_opp_np(struct device_node *opp_np) struct opp_table *opp_table; struct device_node *opp_table_np; - lockdep_assert_held(&opp_table_lock); - opp_table_np = of_get_parent(opp_np); if (!opp_table_np) goto err; @@ -121,12 +119,15 @@ static struct opp_table *_find_table_of_opp_np(struct device_node *opp_np) /* It is safe to put the node now as all we need now is its address */ of_node_put(opp_table_np); + mutex_lock(&opp_table_lock); list_for_each_entry(opp_table, &opp_tables, node) { if (opp_table_np == opp_table->np) { _get_opp_table_kref(opp_table); + mutex_unlock(&opp_table_lock); return opp_table; } } + mutex_unlock(&opp_table_lock); err: return ERR_PTR(-ENODEV); |