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rtc: mc146818-lib: fix signedness bug in mc146818_get_time()

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The mc146818_get_time() function returns zero on success or negative
a error code on failure.  It needs to be type int.

Fixes: d35786b3a2 ("rtc: mc146818-lib: change return values of mc146818_get_time()")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Mateusz Jończyk <mat.jonczyk@o2.pl>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220111071922.GE11243@kili
This commit is contained in:
Dan Carpenter 2022-01-11 10:19:22 +03:00 committed by Alexandre Belloni
parent a12ac1f0ff
commit 7372971c1b
2 changed files with 2 additions and 2 deletions
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2
drivers/rtc/rtc-mc146818-lib.c
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@ -130,7 +130,7 @@ static void mc146818_get_time_callback(unsigned char seconds, void *param_in)
p->ctrl = CMOS_READ(RTC_CONTROL);
}
unsigned int mc146818_get_time(struct rtc_time *time)
int mc146818_get_time(struct rtc_time *time)
{
struct mc146818_get_time_callback_param p = {
.time = time

2
include/linux/mc146818rtc.h
View File

@ -124,7 +124,7 @@ struct cmos_rtc_board_info {
#endif /* ARCH_RTC_LOCATION */
bool mc146818_does_rtc_work(void);
unsigned int mc146818_get_time(struct rtc_time *time);
int mc146818_get_time(struct rtc_time *time);
int mc146818_set_time(struct rtc_time *time);
bool mc146818_avoid_UIP(void (*callback)(unsigned char seconds, void *param),