From: Barry Song <21cnbao@gmail.com>
Date: Wed, 16 Dec 2009 00:45:34 +0000 (-0800)
Subject: timecompare: fix half-Y2K38 problem in timecompare_update while calculating offset
X-Git-Tag: v2.6.33-rc1~71^2~170
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f065f41f48569122b5bcddbd1ba2354f7cc29fdc;p=pandora-kernel.git

timecompare: fix half-Y2K38 problem in timecompare_update while calculating offset

ktime will overflow from 03:14:07 UTC on Tuesday, 19 January 2038,
ktime_add() in timecompare_update() will overflow a half earlier.  As a
result, wrong offset will be gotten, then cause some strange problems.

Signed-off-by: Barry Song <21cnbao@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Patrick Ohly <patrick.ohly@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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