From: Karsten Keil <kkeil@linux-pingi.de>
To: Danny Kukawka <danny.kukawka@bisect.de>
Cc: David Laight <David.Laight@aculab.com>,
Karsten Keil <kkeil@linux-pingi.de>,
Ben Hutchings <bhutchings@solarflare.com>,
Armin Schindler <mac@melware.de>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
Karsten Keil <isdn@linux-pingi.de>
Subject: Re: [PATCH 01/16] eicon: fix -Warray-bounds warning
Date: Thu, 2 Feb 2012 19:25:15 +0100 [thread overview]
Message-ID: <20120202182515.GA11660@gw.linux-pingi.de> (raw)
In-Reply-To: <201202011352.19539.danny.kukawka@bisect.de>
On Wed, Feb 01, 2012 at 01:52:18PM +0100, Danny Kukawka wrote:
> On Mittwoch, 1. Februar 2012, David Laight wrote:
> > > -----Original Message-----
> > > From: netdev-owner@vger.kernel.org
> > > [mailto:netdev-owner@vger.kernel.org] On Behalf Of Danny Kukawka
> > > Sent: 31 January 2012 17:04
> > > To: Karsten Keil
> > > Cc: Ben Hutchings; Armin Schindler;
> > > linux-kernel@vger.kernel.org; netdev@vger.kernel.org; Karsten Keil
> > > Subject: Re: [PATCH 01/16] eicon: fix -Warray-bounds warning
> > >
> > > On Dienstag, 31. Januar 2012, Karsten Keil wrote:
> > > > On Mon, Jan 30, 2012 at 11:09:32PM +0000, Ben Hutchings wrote:
> > > > > On Mon, 2012-01-30 at 23:00 +0100, Danny Kukawka wrote:
> > > > > > Fix for a -Warray-bounds warning. mixer_notify_update() tries to
> > > > > > write to ((CAPI_MSG *) msg)->info.facility_req.structs[3] while
> > > > > > structs is defined as byte structs[1], define structs[1] as
> > > > > > structs[4].
> > > > >
> > > > > I suspect that all the 'byte structs[1];' fields defined
> > >
> > > in that header
> > >
> > > > > are actually variable-length arrays. In that case, there
> > >
> > > may be no
> > >
> > > > > reasonable bound you can specify.
> > > >
> > > > Yes, exactely, the structs is a ASN1 coded message so it
> > >
> > > can have any len.
> > >
> > > So, how can we get rid of the compiler warning then?
> >
> > Try defining it as a 'variable sized array' - byte structs[0].
>
> Okay, that works. I'll send an updated patch.
>
Nice, I did not know this way.
Karsten
next prev parent reply other threads:[~2012-02-02 18:25 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-30 22:00 [PATCH RESEND 00/16] some compiler warning fixes Danny Kukawka
2012-01-30 22:00 ` [PATCH 01/16] eicon: fix -Warray-bounds warning Danny Kukawka
2012-01-30 23:09 ` Ben Hutchings
2012-01-31 15:25 ` Karsten Keil
2012-01-31 17:04 ` Danny Kukawka
2012-02-01 9:04 ` David Laight
2012-02-01 12:52 ` Danny Kukawka
2012-02-02 18:25 ` Karsten Keil [this message]
2012-01-30 22:00 ` [PATCH v2 02/16] max2165: trival fix for some -Wuninitialized warning Danny Kukawka
2012-01-30 22:00 ` [PATCH v2 03/16] mmc: " Danny Kukawka
2012-01-30 22:00 ` [PATCH 05/16] cx18: fix handling of 'radio' module parameter Danny Kukawka
2012-01-31 13:45 ` Danny Kukawka
2012-01-31 14:59 ` Andy Walls
2012-02-01 2:29 ` Rusty Russell
2012-01-30 22:00 ` [PATCH 06/16] cpcihp: fix debug module parameter to be bool Danny Kukawka
2012-02-03 0:06 ` Scott Murray
2012-02-10 19:40 ` Jesse Barnes
2012-01-30 22:00 ` [PATCH v2 07/16] hdaps: trivial fix for -Wuninitialized Danny Kukawka
2012-01-30 22:00 ` [PATCH 09/16] [RFC] aic94xx: " Danny Kukawka
2012-01-30 22:00 ` [PATCH 10/16] ixj: fix Wsequence-point compiler warnings Danny Kukawka
2012-01-30 22:00 ` [PATCH 11/16] ath5k: make ath5k_modparam_no_hw_rfkill_switch real Danny Kukawka
2012-01-30 22:11 ` Jiri Slaby
2012-01-30 23:09 ` Danny Kukawka
2012-01-30 22:00 ` [PATCH 12/16] kobil_sct: fix debug module parameter to be bool Danny Kukawka
2012-01-30 23:13 ` Danny Kukawka
2012-01-30 22:00 ` [PATCH 13/16] riva/fbdev: fix several -Wuninitialized Danny Kukawka
2012-02-13 21:26 ` Florian Tobias Schandinat
2012-01-30 22:00 ` [PATCH 14/16] hamradio: fix incompatible pointer in module parameter Danny Kukawka
2012-02-01 19:40 ` David Miller
2012-01-30 22:00 ` [PATCH v2 15/16] leds-lp5521: fix compiler warning Danny Kukawka
2012-01-30 22:00 ` [PATCH v2 16/16] leds-lp5523: " Danny Kukawka
[not found] ` <1327960820-11867-9-git-send-email-danny.kukawka@bisect.de>
2012-01-31 13:45 ` [PATCH v2 08/16] ivtv-driver: fix handling of 'radio' module parameter Danny Kukawka
2012-01-31 15:00 ` Andy Walls
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