linux-kernel - Re: compat_sys_times() bogus until jiffies >= 0.

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Date:	Wed, 07 Nov 2007 16:50:22 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	akpm@...ux-foundation.org
Cc:	lkml@...idb.org, linux-kernel@...r.kernel.org, drepper@...hat.com,
	mtk-manpages@....net
Subject: Re: compat_sys_times() bogus until jiffies >= 0.

From: Andrew Morton <akpm@...ux-foundation.org>
Date: Wed, 7 Nov 2007 15:28:33 -0800

> Perhaps this is a bug in glibc: it is interpreting the times() return value
> in the same way as other syscalls.

The problem is more likely that we are failing to
invoke force_successful_syscall_return() here.

Otherwise the syscall return path interprets negative
values as errors, and sets the cpu condition codes.

And that is what userspace is actually checking for
to determine if there is an error or not.
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