Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1226099

Re: [Y2038] [PATCH V2] hp_sdc_rtc: fixed y2038 problem in proc_show

From Arnd Bergmann <arnd@arndb.de>
Newsgroups linux.kernel
Subject Re: [Y2038] [PATCH V2] hp_sdc_rtc: fixed y2038 problem in proc_show
Date 2015-09-16 16:00 +0200
Message-ID <q9lpE-6fG-11@gated-at.bofh.it> (permalink)
References <q9lfY-64l-31@gated-at.bofh.it> <q9lfY-64l-29@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On Wednesday 16 September 2015 21:45:38 WEN Pingbo wrote:
> hp_sdc_rtc_proc_show() use timeval to store the time, which will
> overflowed in 2038.
> 
> This patch fixes this problem by replacing timeval with timespec64.
> hp_sdc_rtc_proc_show() only output string, so that userspace will work
> normally if we apply this patch.
> 
> Not all timer in i8042 have y2038 risk(handshake, match timer, etc),
> Replacements in those timer are just for consistency.
> 
> Version 2 Updates:
> - compiled in m68k gcc cross compiler(4.6.3), no extra warnings
> - placed s64 type cast in tv.tv_sec, making sure it work properly in
> both 32bit and 64bit platform.
> 
> Signed-off-by: WEN Pingbo <pingbo.wen@linaro.org>
> Cc: Y2038 <y2038@lists.linaro.org>
> 

Looks very good,

Reviewed-by: Arnd Bergmann <arnd@arndb.de>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread


Thread

[PATCH V2] hp_sdc_rtc: fixed y2038 problem in proc_show WEN Pingbo <pingbo.wen@linaro.org> - 2015-09-16 15:50 +0200
  Re: [Y2038] [PATCH V2] hp_sdc_rtc: fixed y2038 problem in proc_show Arnd Bergmann <arnd@arndb.de> - 2015-09-16 16:00 +0200

csiph-web