netdev - Re: [PATCH net-2.6.24] introduce MAC_FMT/MAC

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Message-Id: <20070827.135744.85405475.davem@davemloft.net>
Date:	Mon, 27 Aug 2007 13:57:44 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	joe@...ches.com
Cc:	johannes@...solutions.net, netdev@...r.kernel.org
Subject: Re: [PATCH net-2.6.24] introduce MAC_FMT/MAC_ARG

From: Joe Perches <joe@...ches.com>
Date: Mon, 27 Aug 2007 08:44:17 -0700

> The compound statement to hide the automatic works well.

As I explained in another reply, it doesn't work well.

It's undefined to reference that in-expression local
variable after the expression is done being evaluated.
It's out of scope so the compiler can reclaim that
stack space and use it for other things.
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