On 05/11/2018 03:48:25+0000, Maciej W. Rozycki wrote:
> Fix an issue with the 32-bit range error path in `rtc_hctosys' where no
> error code is set and consequently the successful preceding call result
> from `rtc_read_time' is propagated to `rtc_hctosys_ret'. This in turn
> makes any subsequent call to `hctosys_show' incorrectly report in sysfs
> that the system time has been set from this RTC while it has not.
>
> Set the error to ERANGE then if we can't express the result due to an
> overflow.
>
> Signed-off-by: Maciej W. Rozycki <macro@xxxxxxxxxxxxxx>
> Fixes: b3a5ac42ab18 ("rtc: hctosys: Ensure system time doesn't overflow time_t")
> Cc: stable@xxxxxxxxxxxxxxx # 4.17+
> ---
> drivers/rtc/hctosys.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
Applied, thanks.
--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
