mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Matthew Wilcox <matthew@wil.cx>
To: Christoph Hellwig <hch@infradead.org>,
	Matthew Wilcox <matthew@wil.cx>, Jesper Juhl <juhl-lkml@dif.dk>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fs/fcntl.c : don't test unsigned value for less than zero
Date: Fri, 15 Apr 2005 12:29:08 +0100	[thread overview]
Message-ID: <20050415112908.GZ8669@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <20050415082150.GA19095@infradead.org>

On Fri, Apr 15, 2005 at 09:21:50AM +0100, Christoph Hellwig wrote:
> On Fri, Apr 15, 2005 at 02:31:00AM +0100, Matthew Wilcox wrote:
> > On Fri, Apr 15, 2005 at 03:07:42AM +0200, Jesper Juhl wrote:
> > > 'arg' is unsigned so it can never be less than zero, so testing for that 
> > > is pointless and also generates a warning when building with gcc -W. This 
> > > patch eliminates the pointless check.
> > 
> > Didn't Linus already reject this one 6 months ago?
> 
> I think Linux only complained if we're using some typedef that actually
> may be signed.  For fcntl that 'arg' argument is unsigned and that's hardcoded
> in the ABI.  So the check doesn't make sense at all.

No, it was exactly this patch:
http://www.ussg.iu.edu/hypermail/linux/kernel/0401.0/1816.html

-- 
"Next the statesmen will invent cheap lies, putting the blame upon 
the nation that is attacked, and every man will be glad of those
conscience-soothing falsities, and will diligently study them, and refuse
to examine any refutations of them; and thus he will by and by convince 
himself that the war is just, and will thank God for the better sleep 
he enjoys after this process of grotesque self-deception." -- Mark Twain

  reply	other threads:[~2005-04-15 11:29 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-15  1:07 Jesper Juhl
2005-04-15  1:31 ` Matthew Wilcox
2005-04-15  8:21   ` Christoph Hellwig
2005-04-15 11:29     ` Matthew Wilcox [this message]
2005-04-15 11:32       ` Christoph Hellwig
2005-04-15 12:03         ` Herbert Xu
2005-04-15 13:21           ` Matthew Wilcox
2005-04-17 21:00             ` Jesper Juhl
2005-04-15  8:23   ` Jesper Juhl

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20050415112908.GZ8669@parcelfarce.linux.theplanet.co.uk \
    --to=matthew@wil.cx \
    --cc=hch@infradead.org \
    --cc=juhl-lkml@dif.dk \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox

all inboxes | Powered by JetHome®