regulator: core: Fix regualtor_ena_gpio_free not to access pin after freeing

After freeing pin from regulator_ena_gpio_free, loop can access
the pin. So this patch fixes not to access pin after freeing.

Change-Id: I690860751e45b1513fb9171bba1c0bb7e89c0446
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index a86d123..a585819 100644 (file)
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1532,6 +1532,8 @@ static void regulator_ena_gpio_free(struct regulator_dev *rdev)
                                gpio_free(pin->gpio);
                                list_del(&pin->list);
                                kfree(pin);
+                               rdev->ena_pin = NULL;
+                               return;
                        } else {
                                pin->request_count--;
                        }