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drivers/rtc/rtc-rv3029c2.c: fix potential race condition 

RTC drivers must not return an error after device registration.

Signed-off-by: Gregory Hermant <gregory.hermant@calao-systems.com>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Gregory Hermant 2014-04-03 14:50:17 -07:00 committed by Linus Torvalds
parent 617b26a0e1
commit 67ab2440b4
1 changed files with 6 additions and 6 deletions
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12
drivers/rtc/rtc-rv3029c2.c
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@ -395,6 +395,12 @@ static int rv3029c2_probe(struct i2c_client *client,
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_EMUL))
return -ENODEV;
rc = rv3029c2_i2c_get_sr(client, buf);
if (rc < 0) {
dev_err(&client->dev, "reading status failed\n");
return rc;
}
rtc = devm_rtc_device_register(&client->dev, client->name,
&rv3029c2_rtc_ops, THIS_MODULE);
@ -403,12 +409,6 @@ static int rv3029c2_probe(struct i2c_client *client,
i2c_set_clientdata(client, rtc);
rc = rv3029c2_i2c_get_sr(client, buf);
if (rc < 0) {
dev_err(&client->dev, "reading status failed\n");
return rc;
}
return 0;
}