rtc: mc146818-lib: change return values of mc146818_get_time()

No function is checking mc146818_get_time() return values yet, so
correct them to make them more customary.

Signed-off-by: Mateusz Jończyk <mat.jonczyk@o2.pl>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211210200131.153887-3-mat.jonczyk@o2.pl

diff --git a/drivers/rtc/rtc-mc146818-lib.c b/drivers/rtc/rtc-mc146818-lib.c
index dcfaf09946ee36de628ded0d776f3ddecc5b84ae..c186c8c4982b8e52d26eddc2bebcf737924c5381 100644 (file)
--- a/drivers/rtc/rtc-mc146818-lib.c
+++ b/drivers/rtc/rtc-mc146818-lib.c
@@ -25,7 +25,7 @@ again:
        if (WARN_ON_ONCE((CMOS_READ(RTC_VALID) & 0x40) != 0)) {
                spin_unlock_irqrestore(&rtc_lock, flags);
                memset(time, 0xff, sizeof(*time));
-               return 0;
+               return -EIO;
        }
 
        /*
@@ -116,7 +116,7 @@ again:
 
        time->tm_mon--;
 
-       return RTC_24H;
+       return 0;
 }
 EXPORT_SYMBOL_GPL(mc146818_get_time);