drivers/rtc/class.c: fix device_register() error handling

If device_register() fails then call put_device().  See comment to
device_register.

Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 565562ba6ac9dacc7d8aa4842c7ddedb29de074d..e6539cbabb35fb8f143f1710a004744fa1abe745 100644 (file)
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -158,8 +158,10 @@ struct rtc_device *rtc_device_register(const char *name, struct device *dev,
        rtc_dev_prepare(rtc);
 
        err = device_register(&rtc->dev);
-       if (err)
+       if (err) {
+               put_device(&rtc->dev);
                goto exit_kfree;
+       }
 
        rtc_dev_add_device(rtc);
        rtc_sysfs_add_device(rtc);