[PATCH 7/8] rtc: rtc-rx8025: use devm_*() functions

From: Jingoo Han
Date: Tue May 21 2013 - 02:18:38 EST


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

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
drivers/rtc/rtc-rx8025.c | 18 +++++-------------
1 file changed, 5 insertions(+), 13 deletions(-)

diff --git a/drivers/rtc/rtc-rx8025.c b/drivers/rtc/rtc-rx8025.c
index 0722d36..8fa23ea 100644
--- a/drivers/rtc/rtc-rx8025.c
+++ b/drivers/rtc/rtc-rx8025.c
@@ -549,7 +549,7 @@ static int rx8025_probe(struct i2c_client *client,
goto errout;
}

- rx8025 = kzalloc(sizeof(*rx8025), GFP_KERNEL);
+ rx8025 = devm_kzalloc(&client->dev, sizeof(*rx8025), GFP_KERNEL);
if (!rx8025) {
dev_err(&adapter->dev, "failed to alloc memory\n");
err = -ENOMEM;
@@ -562,7 +562,7 @@ static int rx8025_probe(struct i2c_client *client,

err = rx8025_init_client(client, &need_reset);
if (err)
- goto errout_free;
+ goto errout;

if (need_reset) {
struct rtc_time tm;
@@ -572,12 +572,12 @@ static int rx8025_probe(struct i2c_client *client,
rx8025_set_time(&client->dev, &tm);
}

- rx8025->rtc = rtc_device_register(client->name, &client->dev,
+ rx8025->rtc = devm_rtc_device_register(&client->dev, client->name,
&rx8025_rtc_ops, THIS_MODULE);
if (IS_ERR(rx8025->rtc)) {
err = PTR_ERR(rx8025->rtc);
dev_err(&client->dev, "unable to register the class device\n");
- goto errout_free;
+ goto errout;
}

if (client->irq > 0) {
@@ -586,7 +586,7 @@ static int rx8025_probe(struct i2c_client *client,
0, "rx8025", client);
if (err) {
dev_err(&client->dev, "unable to request IRQ\n");
- goto errout_reg;
+ goto errout;
}
}

@@ -603,12 +603,6 @@ errout_irq:
if (client->irq > 0)
free_irq(client->irq, client);

-errout_reg:
- rtc_device_unregister(rx8025->rtc);
-
-errout_free:
- kfree(rx8025);
-
errout:
dev_err(&adapter->dev, "probing for rx8025 failed\n");
return err;
@@ -629,8 +623,6 @@ static int rx8025_remove(struct i2c_client *client)
}

rx8025_sysfs_unregister(&client->dev);
- rtc_device_unregister(rx8025->rtc);
- kfree(rx8025);
return 0;
}

--
1.7.10.4


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