Messages in this thread | | | From | Arnd Bergmann <> | Date | Fri, 26 Jan 2018 10:24:46 +0100 | Subject | Re: [RESEND PATCH] rtc: Fix overflow when converting time64_t to rtc_time |
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On Fri, Jan 26, 2018 at 6:06 AM, Baolin Wang <baolin.wang@linaro.org> wrote: > If we convert one large time values to rtc_time, in the original formula > 'days * 86400' can be overflowed in 'unsigned int' type to make the formula > get one incorrect remain seconds value. Thus we can use div_s64_rem() > function to avoid this situation. > > Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
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