All of
 help / color / mirror / Atom feed
From: Paolo Bonzini <>
To: Blue Swirl <>
Cc: Markus Armbruster <>,
Subject: Re: [Qemu-devel] Re: [PATCH 04/11] lsi53c895a: avoid a write only variable
Date: Fri, 08 Oct 2010 18:11:11 +0200	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On 10/07/2010 08:53 PM, Blue Swirl wrote:
> On Thu, Oct 7, 2010 at 9:20 AM, Markus Armbruster<>  wrote:
>> Paolo Bonzini<>  writes:
>>> On 10/06/2010 11:32 PM, Blue Swirl wrote:
>>>> Compiling with GCC 4.6.0 20100925 produced a warning:
>>>> /src/qemu/hw/lsi53c895a.c: In function 'lsi_do_msgout':
>>>> /src/qemu/hw/lsi53c895a.c:848:9: error: variable 'len' set but not
>>>> used [-Werror=unused-but-set-variable]
>>>> Fix by making the variable declaration and its uses also conditional
>>>> to debug definition.
>>> NACK, this uglifies the code and loses track of _what_ is that msgbyte
>>> we're reading.
> That information could be saved by adding a comment, I used that
> approach for vmstate.c.

Yes, that's fine for vmstate.c, but here you are also uselessly 
duplicating the code.  (void) len is good though.  I suggest doing the 
same for i386 too (and there you could put a reference to the manual).


      reply	other threads:[~2010-10-08 16:29 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-06 21:32 [Qemu-devel] [PATCH 04/11] lsi53c895a: avoid a write only variable Blue Swirl
2010-10-07  7:20 ` [Qemu-devel] " Paolo Bonzini
2010-10-07  9:20   ` Markus Armbruster
2010-10-07 18:53     ` Blue Swirl
2010-10-08 16:11       ` Paolo Bonzini [this message]

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:

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

  git send-email \ \ \ \ \ \

* 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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.