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Diffstat (limited to 'drivers/regulator/core.c')
-rw-r--r--drivers/regulator/core.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 01f7702a805d..98c3a74e9949 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -540,8 +540,8 @@ static void drms_uA_update(struct regulator_dev *rdev)
err = regulator_check_drms(rdev);
if (err < 0 || !rdev->desc->ops->get_optimum_mode ||
- !rdev->desc->ops->get_voltage || !rdev->desc->ops->set_mode);
- return;
+ !rdev->desc->ops->get_voltage || !rdev->desc->ops->set_mode)
+ return;
/* get output voltage */
output_uV = rdev->desc->ops->get_voltage(rdev);
@@ -703,10 +703,13 @@ static int set_machine_constraints(struct regulator_dev *rdev,
int cmin = constraints->min_uV;
int cmax = constraints->max_uV;
- /* it's safe to autoconfigure fixed-voltage supplies */
+ /* it's safe to autoconfigure fixed-voltage supplies
+ and the constraints are used by list_voltage. */
if (count == 1 && !cmin) {
- cmin = INT_MIN;
+ cmin = 1;
cmax = INT_MAX;
+ constraints->min_uV = cmin;
+ constraints->max_uV = cmax;
}
/* voltage constraints are optional */
@@ -2001,8 +2004,8 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
if (regulator_desc->name == NULL || regulator_desc->ops == NULL)
return ERR_PTR(-EINVAL);
- if (!regulator_desc->type == REGULATOR_VOLTAGE &&
- !regulator_desc->type == REGULATOR_CURRENT)
+ if (regulator_desc->type != REGULATOR_VOLTAGE &&
+ regulator_desc->type != REGULATOR_CURRENT)
return ERR_PTR(-EINVAL);
if (!init_data)
@@ -2080,6 +2083,10 @@ out:
scrub:
device_unregister(&rdev->dev);
+ /* device core frees rdev */
+ rdev = ERR_PTR(ret);
+ goto out;
+
clean:
kfree(rdev);
rdev = ERR_PTR(ret);