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authorJingoo Han <jg1.han@samsung.com>2013-04-29 16:20:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 18:28:37 -0700
commit4ebabb78e46d1bc3e8ddaa8b6b88a41142756f4b (patch)
tree3c7f6efa98ba6a3a3cb8d1e0c4c0953cef009bb6 /drivers/rtc/rtc-m41t80.c
parentdc831f9768a0fe898d8d3bc6f738d8079a6f5d7a (diff)
rtc: rtc-m41t80: use devm_*() functions
Use devm_*() functions to make cleanup paths simpler. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc/rtc-m41t80.c')
-rw-r--r--drivers/rtc/rtc-m41t80.c16
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index b885bcd08908..89674b5e6efd 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -637,7 +637,8 @@ static int m41t80_probe(struct i2c_client *client,
dev_info(&client->dev,
"chip found, driver version " DRV_VERSION "\n");
- clientdata = kzalloc(sizeof(*clientdata), GFP_KERNEL);
+ clientdata = devm_kzalloc(&client->dev, sizeof(*clientdata),
+ GFP_KERNEL);
if (!clientdata) {
rc = -ENOMEM;
goto exit;
@@ -646,8 +647,8 @@ static int m41t80_probe(struct i2c_client *client,
clientdata->features = id->driver_data;
i2c_set_clientdata(client, clientdata);
- rtc = rtc_device_register(client->name, &client->dev,
- &m41t80_rtc_ops, THIS_MODULE);
+ rtc = devm_rtc_device_register(&client->dev, client->name,
+ &m41t80_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc)) {
rc = PTR_ERR(rtc);
rtc = NULL;
@@ -718,26 +719,19 @@ ht_err:
goto exit;
exit:
- if (rtc)
- rtc_device_unregister(rtc);
- kfree(clientdata);
return rc;
}
static int m41t80_remove(struct i2c_client *client)
{
+#ifdef CONFIG_RTC_DRV_M41T80_WDT
struct m41t80_data *clientdata = i2c_get_clientdata(client);
- struct rtc_device *rtc = clientdata->rtc;
-#ifdef CONFIG_RTC_DRV_M41T80_WDT
if (clientdata->features & M41T80_FEATURE_HT) {
misc_deregister(&wdt_dev);
unregister_reboot_notifier(&wdt_notifier);
}
#endif
- if (rtc)
- rtc_device_unregister(rtc);
- kfree(clientdata);
return 0;
}