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Date:	Thu, 05 Dec 2013 19:43:55 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	ydroneaud@...eya.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	viro@...iv.linux.org.uk
Subject: Re: [PATCH v2] net: handle error more gracefully in socketpair()

From: Yann Droneaud <ydroneaud@...eya.com>
Date: Fri, 06 Dec 2013 00:15:31 +0100

> AFAIK, using sys_close() seems to be the exception, and writing the file
> descriptor before installing it is the more or less the norm.

What other system call in the kernel writes a file descriptor's value
into the address space of a user process before the file descriptor
is actually usable?

That's really terrible semantically.
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