From: Jonathan Corbet <corbet@lwn.net>
To: Jean Delvare <jdelvare@suse.de>
Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
Markus Elfring <elfring@users.sourceforge.net>
Subject: Re: [PATCH] CodingStyle: Clarify and complete chapter 7
Date: Sun, 14 Aug 2016 12:30:24 -0600 [thread overview]
Message-ID: <20160814123024.79c2082a@lwn.net> (raw)
In-Reply-To: <20160725142906.003bfe06@endymion>
On Mon, 25 Jul 2016 14:29:06 +0200
Jean Delvare <jdelvare@suse.de> wrote:
> Chapter 7 (Centralized exiting of functions) of the coding style
> documentation is unclear at times, and lacks some information (such
> as the possibility to indent labels with a single space.) Clarify and
> complete it.
OK, I've applied this (finally) to the docs tree, sorry for sitting on it
for so long. One question, though...
> A common type of bug to be aware of is "one err bugs" which look like this:
>
> - err:
> + err:
> kfree(foo->bar);
> kfree(foo);
> return ret;
>
> The bug in this code is that on some exit paths "foo" is NULL. Normally the
...except that kfree() can handle null pointers just fine, so this isn't
actually a bug, right? Someday when somebody has time it would be good to
come up with a better example.
Thanks,
jon
next prev parent reply other threads:[~2016-08-14 18:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-25 12:29 Jean Delvare
2016-08-14 18:30 ` Jonathan Corbet [this message]
2016-08-14 20:12 ` Mark D Rustad
2016-08-14 20:45 ` Jonathan Corbet
2016-08-15 15:38 ` SF Markus Elfring
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