From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <shemminger@vyatta.com>
Subject: Re: [PATCH iproute2] utils: add s32 parser
Date: Fri, 25 Nov 2011 16:50:08 -0800
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	<1322262026-8561-1-git-send-email-hagen@jauu.net>
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Cc: netdev@vger.kernel.org, David.Laight@ACULAB.COM
To: Hagen Paul Pfeifer <hagen@jauu.net>
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On Sat, 26 Nov 2011 00:00:26 +0100
Hagen Paul Pfeifer <hagen@jauu.net> wrote:

> Not sure if we should save errno and restore afterwards:
> 
> errno_save = errno;
> errno = 0;
> [...]
> errno = errno_save;

Not worth it. errno is only meaningful after a failed library or syscall.