linux-kernel - Re: [Y2038] [PATCH V1] serial:bfin-uart:Remove 'struct timeval'

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Thu, 12 Nov 2015 14:49:56 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	y2038@...ts.linaro.org
Cc:	DengChao <chao.deng@...aro.org>, sonic.zhang@...log.com,
	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [Y2038] [PATCH V1] serial:bfin-uart:Remove 'struct timeval'

On Thursday 12 November 2015 21:45:47 DengChao wrote:
> The bfin-uart code uses real time with struct timeval. This will
> cause problems on 32-bit architectures in 2038 when time_t
> overflows.
> Since the code just needs delta value of time, it is not
> necessary to record them in real time.
> This patch changes the code to use the monotonic time instead,
> replaces struct timeval and do_gettimeofday() with u64 and
> ktime_get_ns().
> 
> Signed-off-by: DengChao <chao.deng@...aro.org>
> 

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