mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Julia Lawall <julia@diku.dk>
To: David Miller <davem@davemloft.net>
Cc: ron.mercer@qlogic.com, linux-driver@qlogic.com,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	kernel-janitors@vger.kernel.org
Subject: Re: [PATCH 3/9] drivers/net: Eliminate useless code
Date: Mon, 18 Jan 2010 06:47:30 +0100 (CET)	[thread overview]
Message-ID: <Pine.LNX.4.64.1001180646460.12648@ask.diku.dk> (raw)
In-Reply-To: <20100117.193140.153138395.davem@davemloft.net>

On Sun, 17 Jan 2010, David Miller wrote:

> From: Julia Lawall <julia@diku.dk>
> Date: Sat, 16 Jan 2010 16:57:56 +0100 (CET)
> 
> > The variable qdev is initialized twice to the same (side effect-free)
> > expression.  Drop one initialization.
> > 
> > A simplified version of the semantic match that finds this problem is:
> > (http://coccinelle.lip6.fr/)
> > 
> > // <smpl>
> > @forall@
> > idexpression *x;
> > identifier f!=ERR_PTR;
> > @@
> > 
> > x = f(...)
> > ... when != x
> > (
> > x = f(...,<+...x...+>,...)
> > |
> > * x = f(...)
> > )
> > // </smpl>
> > 
> > Signed-off-by: Julia Lawall <julia@diku.dk>
> 
> Something in your patch creation process is corrupting these
> patches.
> 
> > diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c
> > index f922294..4ef0afb 100644
> > --- a/drivers/net/qla3xxx.c
> > +++ b/drivers/net/qla3xxx.c
> > @@ -4087,9 +4087,8 @@ static void __devexit ql3xxx_remove(struct pci_dev *pdev)
> >  	struct ql3_adapter *qdev = netdev_priv(ndev);
> >  
> >  	unregister_netdev(ndev);
> > -	qdev = netdev_priv(ndev);
> >  
> >  	ql_disable_interrupts(qdev);
> >  
> > --
> 
> That hunk header states that after the line is removed there should
> be 8 lines present in the hunk, but the patch only shows 7 such
> lines.
> 
> I suspect something is eating the final line of your patches.

Oops, sorry.  I will try again.  I'm surprised that checkpatch didn't 
complain.

julia

  reply	other threads:[~2010-01-18  5:47 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-01-16 15:57 Julia Lawall
2010-01-18  3:31 ` David Miller
2010-01-18  5:47   ` Julia Lawall [this message]
2010-01-18  8:12   ` Julia Lawall
2010-01-18  8:29     ` David Miller

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=Pine.LNX.4.64.1001180646460.12648@ask.diku.dk \
    --to=julia@diku.dk \
    --cc=davem@davemloft.net \
    --cc=kernel-janitors@vger.kernel.org \
    --cc=linux-driver@qlogic.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=ron.mercer@qlogic.com \
    /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®