* [PATCH 3/6] regulator: check for init_data on registration
@ 2008-09-19 17:39 Liam Girdwood
0 siblings, 0 replies; only message in thread
From: Liam Girdwood @ 2008-09-19 17:39 UTC (permalink / raw)
To: Andrew Morton; +Cc: linux-kernel, Mark Brown
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@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
---
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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