From 69b119a642b7e143be08f9cbabca7bc910f5720d Mon Sep 17 00:00:00 2001 From: Alexandre Belloni Date: Thu, 6 Jul 2017 11:42:06 +0200 Subject: [PATCH] rtc: ds1307: switch to rtc_register_device This removes a possible race condition and crash and allows for further improvement of the driver. Signed-off-by: Alexandre Belloni --- drivers/rtc/rtc-ds1307.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c index 57ea25400ecd..6f94f20326fb 100644 --- a/drivers/rtc/rtc-ds1307.c +++ b/drivers/rtc/rtc-ds1307.c @@ -1674,8 +1674,8 @@ read_rtc: device_set_wakeup_capable(ds1307->dev, true); set_bit(HAS_ALARM, &ds1307->flags); } - ds1307->rtc = devm_rtc_device_register(ds1307->dev, ds1307->name, - rtc_ops, THIS_MODULE); + + ds1307->rtc = devm_rtc_allocate_device(ds1307->dev); if (IS_ERR(ds1307->rtc)) { return PTR_ERR(ds1307->rtc); } @@ -1737,6 +1737,11 @@ read_rtc: } } + ds1307->rtc->ops = rtc_ops; + err = rtc_register_device(ds1307->rtc); + if (err) + return err; + ds1307_hwmon_register(ds1307); ds1307_clks_register(ds1307); -- 2.20.1