[PATCH 3/6] regulator: check for init_data on registration

[Liam Girdwood]

Since it is now mandatory to supply constraints via init_data on device
registration check for that when registering, saving us from oopsing
later on.

Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Liam Girdwood <lrg@xxxxxxxxxxxxxxx>
---
 drivers/regulator/core.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index cec9c73..f5fcdf7 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1691,6 +1691,9 @@ struct regulator_dev *regulator_register(struct device *dev,
 	    !regulator_desc->type == REGULATOR_CURRENT)
 		return ERR_PTR(-EINVAL);
 
+	if (!init_data)
+		return ERR_PTR(-EINVAL);
+
 	rdev = kzalloc(sizeof(struct regulator_dev), GFP_KERNEL);
 	if (rdev == NULL)
 		return ERR_PTR(-ENOMEM);
-- 
1.5.4.3


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