On Friday 29 May 2015 23:04:35 Xunlei Pang wrote:
> From: Xunlei Pang <pang.xun...@linaro.org>
> 
> pcf8563_rtc_set_alarm() uses deprecated rtc_tm_to_time()
> and rtc_time_to_tm(), which will overflow in year 2106
> on 32-bit machines.
> 
> This patch solves this by:
>  - Replacing rtc_time_to_tm() with rtc_time64_to_tm()
>  - Replacing rtc_tm_to_time() with rtc_tm_to_time64()
> 
> Signed-off-by: Xunlei Pang <pang.xun...@linaro.org>

(adding alexandre to Cc)

Looks good to me,

Acked-by: Arnd Bergmann <a...@arndb.de>


>  drivers/rtc/rtc-pcf8563.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
> index 0ba7e59..5f87f84 100644
> --- a/drivers/rtc/rtc-pcf8563.c
> +++ b/drivers/rtc/rtc-pcf8563.c
> @@ -363,13 +363,13 @@ static int pcf8563_rtc_set_alarm(struct device *dev, 
> struct rtc_wkalrm *tm)
>       struct i2c_client *client = to_i2c_client(dev);
>       unsigned char buf[4];
>       int err;
> -     unsigned long alarm_time;
>  
>       /* The alarm has no seconds, round up to nearest minute */
>       if (tm->time.tm_sec) {
> -             rtc_tm_to_time(&tm->time, &alarm_time);
> -             alarm_time += 60-tm->time.tm_sec;
> -             rtc_time_to_tm(alarm_time, &tm->time);
> +             time64_t alarm_time = rtc_tm_to_time64(&tm->time);
> +
> +             alarm_time += 60 - tm->time.tm_sec;
> +             rtc_time64_to_tm(alarm_time, &tm->time);
>       }
>  
>       dev_dbg(dev, "%s, min=%d hour=%d wday=%d mday=%d "
> 

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to