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

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[ Upstream commit 7372971c1be5b7d4fdd8ad237798bdc1d1d54162 ]

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

Fixes: d35786b3a28d ("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
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2022-01-11 10:19:22 +03:00 committed by Greg Kroah-Hartman
parent 5c432383b6
commit cb283cca1d
2 changed files with 2 additions and 2 deletions
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2
drivers/rtc/rtc-mc146818-lib.c
View File

@ -103,7 +103,7 @@ bool mc146818_does_rtc_work(void)
}
EXPORT_SYMBOL_GPL(mc146818_does_rtc_work);
unsigned int mc146818_get_time(struct rtc_time *time)
int mc146818_get_time(struct rtc_time *time)
{
unsigned char ctrl;
unsigned long flags;

2
include/linux/mc146818rtc.h
View File

@ -126,7 +126,7 @@ 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),