[PATCH 24/27] rtc: rtc-s35390a: use devm_*() functions

From: Jingoo Han
Date: Mon Apr 01 2013 - 05:50:00 EST


Use devm_*() functions to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
drivers/rtc/rtc-s35390a.c | 14 ++++++--------
1 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/rtc/rtc-s35390a.c b/drivers/rtc/rtc-s35390a.c
index 8a09232..f40afdd 100644
--- a/drivers/rtc/rtc-s35390a.c
+++ b/drivers/rtc/rtc-s35390a.c
@@ -338,7 +338,8 @@ static int s35390a_probe(struct i2c_client *client,
goto exit;
}

- s35390a = kzalloc(sizeof(struct s35390a), GFP_KERNEL);
+ s35390a = devm_kzalloc(&client->dev, sizeof(struct s35390a),
+ GFP_KERNEL);
if (!s35390a) {
err = -ENOMEM;
goto exit;
@@ -386,8 +387,9 @@ static int s35390a_probe(struct i2c_client *client,

device_set_wakeup_capable(&client->dev, 1);

- s35390a->rtc = rtc_device_register(s35390a_driver.driver.name,
- &client->dev, &s35390a_rtc_ops, THIS_MODULE);
+ s35390a->rtc = devm_rtc_device_register(&client->dev,
+ s35390a_driver.driver.name,
+ &s35390a_rtc_ops, THIS_MODULE);

if (IS_ERR(s35390a->rtc)) {
err = PTR_ERR(s35390a->rtc);
@@ -399,7 +401,6 @@ exit_dummy:
for (i = 1; i < 8; ++i)
if (s35390a->client[i])
i2c_unregister_device(s35390a->client[i]);
- kfree(s35390a);

exit:
return err;
@@ -408,15 +409,12 @@ exit:
static int s35390a_remove(struct i2c_client *client)
{
unsigned int i;
-
struct s35390a *s35390a = i2c_get_clientdata(client);
+
for (i = 1; i < 8; ++i)
if (s35390a->client[i])
i2c_unregister_device(s35390a->client[i]);

- rtc_device_unregister(s35390a->rtc);
- kfree(s35390a);
-
return 0;
}

--
1.7.2.5


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