[PATCH 08/20] regulator: lp3971: use devm_regulator_register()

From: Jingoo Han
Date: Wed Sep 25 2013 - 04:01:49 EST


Use devm_regulator_register() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
drivers/regulator/lp3971.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c
index 5a4604e..97452a2 100644
--- a/drivers/regulator/lp3971.c
+++ b/drivers/regulator/lp3971.c
@@ -400,8 +400,9 @@ static int setup_regulators(struct lp3971 *lp3971,
config.init_data = reg->initdata;
config.driver_data = lp3971;

- lp3971->rdev[i] = regulator_register(&regulators[reg->id],
- &config);
+ lp3971->rdev[i] = devm_regulator_register(lp3971->dev,
+ &regulators[reg->id],
+ &config);
if (IS_ERR(lp3971->rdev[i])) {
err = PTR_ERR(lp3971->rdev[i]);
dev_err(lp3971->dev, "regulator init failed: %d\n",
@@ -413,8 +414,6 @@ static int setup_regulators(struct lp3971 *lp3971,
return 0;

error:
- while (--i >= 0)
- regulator_unregister(lp3971->rdev[i]);
kfree(lp3971->rdev);
lp3971->rdev = NULL;
err_nomem:
@@ -463,10 +462,6 @@ static int lp3971_i2c_probe(struct i2c_client *i2c,
static int lp3971_i2c_remove(struct i2c_client *i2c)
{
struct lp3971 *lp3971 = i2c_get_clientdata(i2c);
- int i;
-
- for (i = 0; i < lp3971->num_regulators; i++)
- regulator_unregister(lp3971->rdev[i]);

kfree(lp3971->rdev);

--
1.7.10.4


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