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From: Pavel Machek <pavel@ucw.cz>
To: Andy Lutomirski <luto@amacapital.net>
Cc: "Michael Kerrisk (man-pages)" <mtk.manpages@gmail.com>,
	Andy Whitcroft <apw@canonical.com>, Joe Perches <joe@perches.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] checkpatch.pl: New instances of ENOSYS are errors
Date: Mon, 25 Aug 2014 12:29:32 +0200	[thread overview]
Message-ID: <20140825102932.GA5772@amd> (raw)
In-Reply-To: <72714b6b69d00496d6e55453423c4070de292bf4.1408724662.git.luto@amacapital.net>

On Fri 2014-08-22 09:26:31, Andy Lutomirski wrote:
> ENOSYS means that a nonexistent system call was called.  We have a
> bad habit of using it for things like invalid operations on
> otherwise valid syscalls.  We should avoid this in new code.

Is it good idea? I mean, doing EINVAL for subcalls is pretty
unhelpful.
								Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  parent reply	other threads:[~2014-08-25 10:29 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-22 16:26 [PATCH v2] checkpatch.pl: New instances of ENOSYS are errors Andy Lutomirski
2014-08-22 17:27 ` Joe Perches
2014-08-25 10:29 ` Pavel Machek [this message]
2014-08-25 18:38   ` Andy Lutomirski

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