linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Pawel Moll <pawel.moll@arm.com>
To: Lee Jones <lee.jones@linaro.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"virtualization@lists.linux-foundation.org" 
	<virtualization@lists.linux-foundation.org>
Subject: Re: [PATCH 6/9] virtio_mmio: Cast &resources[1].start to ‘unsigned int *’ to rid compiler warning
Date: Mon, 05 Nov 2012 13:00:54 +0000	[thread overview]
Message-ID: <1352120454.10947.5.camel@hornet> (raw)
In-Reply-To: <20121105082116.GB2699@gmail.com>

On Mon, 2012-11-05 at 08:21 +0000, Lee Jones wrote:
> > >  	processed = sscanf(str, "@%lli:%u%n:%d%n",
> > > -			&base, &resources[1].start, &consumed,
> > > +			&base, (unsigned int *)&resources[1].start, &consumed,
> > >  			&vm_cmdline_id, &consumed);
> > 
> > This suppresses a valid warning, leaving our code no less wrong than
> > before.  But now it's silently wrong!
> > 
> > Do you want to try again?
> 
> For sure I'll try again.
> 
> How does `s/%u/%p/` suit?

sscanf doesn't do "%p"... The only reasonable way of fixing this is a
intermediate local variable - will post a patch in a second.

Thanks for spotting this!

Paweł



  reply	other threads:[~2012-11-05 13:01 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-03 22:02 [PATCH 0/9] Fixups for issues when running 'make randconfig' Lee Jones
2012-11-03 22:02 ` [PATCH 1/9] ARM: integrator: Remove unused icst_params lclk_params structure Lee Jones
2012-11-03 22:02 ` [PATCH 2/9] ARM: at91: Remove unused struct at91sam9g45_isi_device and its resources Lee Jones
2012-11-04 10:15   ` Jean-Christophe PLAGNIOL-VILLARD
2012-11-04 10:57     ` Lee Jones
2012-11-05  8:13   ` Josh Wu
2012-11-05  8:19     ` Lee Jones
2012-11-03 22:02 ` [PATCH 3/9] x86: Suppress build warnings in quirks Lee Jones
2012-11-03 22:02 ` [PATCH 4/9] sched: Don't define unthrottle_offline_cfs_rqs when !CONFIG_SMP Lee Jones
2012-11-03 22:02 ` [PATCH 5/9] ASoC: Only compile adav80x codec when a bus is defined Lee Jones
2012-11-04  8:13   ` [alsa-devel] " Lars-Peter Clausen
2012-11-04 10:31     ` Lee Jones
2012-11-03 22:02 ` [PATCH 6/9] virtio_mmio: Cast &resources[1].start to ‘unsigned int *’ to rid compiler warning Lee Jones
2012-11-05  2:38   ` Rusty Russell
2012-11-05  8:21     ` Lee Jones
2012-11-05 13:00       ` Pawel Moll [this message]
2012-11-05 13:02         ` [PATCH] virtio-mmio: Fix irq parsing in command line parameter Pawel Moll
2012-11-05 13:44           ` Lee Jones
2012-11-05 14:12             ` Pawel Moll
2012-11-05 14:35               ` Lee Jones
2012-11-07 22:22             ` Rusty Russell
     [not found]               ` <CAF2Aj3gLLTw5ng0iZ6ecEkjGnJ-XGi3_RBrjCroW-=v=pfcFAw@mail.gmail.com>
2012-11-08 12:23                 ` Rusty Russell
2012-11-03 22:02 ` [PATCH 7/9] quota: Use the pre-processor to compile out quotactl_cmd_write when !CONFIG_BLOCK Lee Jones
2012-11-06 23:06   ` Jan Kara
2012-11-03 22:02 ` [PATCH 8/9] isdn: Remove unused variable causing a compile build warning Lee Jones
2012-11-03 22:40   ` Paul Bolle
2012-11-03 22:48     ` Lee Jones
2012-11-04 10:14       ` Paul Bolle
2012-11-04 10:53         ` Lee Jones
2012-11-04 17:30           ` David Miller
2012-11-05  8:44             ` Lee Jones
2012-11-05  9:11               ` Paul Bolle
2012-11-05  9:44                 ` Lee Jones
2012-11-05 16:46               ` David Miller
2012-11-05 10:31             ` [PATCH 8/9] isdn: Make CONFIG_ISDN depend on CONFIG_NETDEVICES Lee Jones
2012-11-06 23:57               ` David Miller
2012-11-07  9:56                 ` Lee Jones
2012-11-04 10:28     ` [PATCH v2 8/9] isdn: Remove unused variable causing a compile build warning Lee Jones
2012-11-03 22:02 ` [PATCH 9/9] Avoid 'statement with no effect' compiler warnings Lee Jones
2012-11-04  6:00   ` David Miller
2012-11-04  7:55     ` Lee Jones

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=1352120454.10947.5.camel@hornet \
    --to=pawel.moll@arm.com \
    --cc=lee.jones@linaro.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rusty@rustcorp.com.au \
    --cc=virtualization@lists.linux-foundation.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;
as well as URLs for NNTP newsgroup(s).