Re: [PATCH] cleanup on selection.c

From: Richard Henderson (
Date: Mon Aug 28 2000 - 19:36:55 EST

On Fri, Aug 25, 2000 at 10:07:03AM -0700, Linus Torvalds wrote:
> The copy_from_user_ret() define is both BUGGY and UGLY: it's buggy because
> it is done as a statement expression even though it's not actually an
> expression at all.

In fact, there's been talk about adjusting the definition of statement
expressions such that you cannot branch into or out of them at all.

There are a few known cases that currently generate incorrect code that
involve goto's out of a statement expression used as a function parameter.

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