From: Yang Yingliang yangyingliang@huawei.com
[ Upstream commit da46ee19cbd8344d6860816b4827a7ce95764867 ]
If create_regulator() fails in set_supply(), the module refcount needs be put to keep refcount balanced.
Fixes: e2c09ae7a74d ("regulator: core: Increase refcount for regulator supply's module") Signed-off-by: Yang Yingliang yangyingliang@huawei.com Link: https://lore.kernel.org/r/20221201122706.4055992-2-yangyingliang@huawei.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/regulator/core.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 60c0be2ea5c5..830a9be4432e 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1472,6 +1472,7 @@ static int set_supply(struct regulator_dev *rdev,
rdev->supply = create_regulator(supply_rdev, &rdev->dev, "SUPPLY"); if (rdev->supply == NULL) { + module_put(supply_rdev->owner); err = -ENOMEM; return err; }