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. Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org>
torvalds · Dec 4, 2014 · 60a2362 · 60a2362
1 parent 194dbae
commit 60a2362
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
@@ -1713,6 +1713,8 @@ static void regulator_ena_gpio_free(struct regulator_dev *rdev)
 				gpiod_put(pin->gpiod);
 				list_del(&pin->list);
 				kfree(pin);
+				rdev->ena_pin = NULL;
+				return;
 			} else {
 				pin->request_count--;
 			}