power_supply: Add of_node_put to fix refcount

of_parse_phandle increments the refcount for a dt node before returning
it. Add of_node_put where needed to properly decrement the refcount when
we are done using a given node.

Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c
index 1c517c34e4be..3b2d5df45e7a 100644
--- a/drivers/power/power_supply_core.c
+++ b/drivers/power/power_supply_core.c
@@ -109,8 +109,10 @@ static int __power_supply_populate_supplied_from(struct device *dev,
                                 psy->name, epsy->name);
                         psy->supplied_from[i-1] = (char *)epsy->name;
                         psy->num_supplies++;
+                        of_node_put(np);
                         break;
                 }
+                of_node_put(np);
         } while (np);
 
         return 0;
@@ -193,8 +195,10 @@ static int power_supply_check_supplies(struct power_supply *psy)
                 ret = power_supply_find_supply_from_node(np);
                 if (ret) {
                         dev_dbg(psy->dev, "Failed to find supply, defer!\n");
+                        of_node_put(np);
                         return -EPROBE_DEFER;
                 }
+                of_node_put(np);
         } while (np);
 
         /* All supplies found, allocate char ** array for filling */