diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index e70dd382a009..046fb1bd8619 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1431,7 +1431,10 @@ void devm_regulator_put(struct regulator *regulator)
 
 	rc = devres_destroy(regulator->dev, devm_regulator_release,
 			    devm_regulator_match, regulator);
-	WARN_ON(rc);
+	if (rc == 0)
+		regulator_put(regulator);
+	else
+		WARN_ON(rc);
 }
 EXPORT_SYMBOL_GPL(devm_regulator_put);
 
diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c
index 96579296f04d..17a58c56eebf 100644
--- a/drivers/regulator/max8997.c
+++ b/drivers/regulator/max8997.c
@@ -684,7 +684,7 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev,
 		}
 
 		new_val++;
-	} while (desc->min + desc->step + new_val <= desc->max);
+	} while (desc->min + desc->step * new_val <= desc->max);
 
 	new_idx = tmp_idx;
 	new_val = tmp_val;