public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: Andrew Morton <akpm@osdl.org>
To: Tilman Schmidt <tilman@imap.cc>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Hansjoerg Lipp <hjlipp@web.de>
Subject: Re: [PATCH 2.6.20-rc5] Gigaset ISDN driver error handling fixes
Date: Tue, 23 Jan 2007 22:47:42 -0800	[thread overview]
Message-ID: <20070123224742.4b13b2ea.akpm@osdl.org> (raw)
In-Reply-To: <20070117174213.A39123427B1@gx110.ts.pxnet.com>

On Wed, 17 Jan 2007 18:42:13 +0100 (CET)
Tilman Schmidt <tilman@imap.cc> wrote:

> +	mutex_init(&cs->mutex);
> +	mutex_lock(&cs->mutex);

I have vague memories of making rude comments about this a few months ago.

It is very weird to lock a mutex just after intialising it.  I mean, if any other
thread can lock this mutex then there's a race.  If no other thread can
lock it, then this thread doesn't need to either.

       reply	other threads:[~2007-01-24  6:47 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20070117174213.A39123427B1@gx110.ts.pxnet.com>
2007-01-24  6:47 ` Andrew Morton [this message]
2007-01-26 16:29   ` [PATCH 2.6.20-rc5] Gigaset ISDN driver error handling fixes Tilman Schmidt

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=20070123224742.4b13b2ea.akpm@osdl.org \
    --to=akpm@osdl.org \
    --cc=hjlipp@web.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=tilman@imap.cc \
    /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