From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Hutchings Subject: Re: [PATCH 01/16] eicon: fix -Warray-bounds warning Date: Mon, 30 Jan 2012 23:09:32 +0000 Message-ID: <1327964972.2595.31.camel@bwh-desktop> References: <1327960820-11867-1-git-send-email-danny.kukawka@bisect.de> <1327960820-11867-2-git-send-email-danny.kukawka@bisect.de> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Armin Schindler , , , Karsten Keil To: Danny Kukawka Return-path: In-Reply-To: <1327960820-11867-2-git-send-email-danny.kukawka@bisect.de> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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. Ben. > Signed-off-by: Danny Kukawka > --- > drivers/isdn/hardware/eicon/capi20.h | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/drivers/isdn/hardware/eicon/capi20.h b/drivers/isdn/hardware/eicon/capi20.h > index 7ebcccd..f9170ad 100644 > --- a/drivers/isdn/hardware/eicon/capi20.h > +++ b/drivers/isdn/hardware/eicon/capi20.h > @@ -226,7 +226,7 @@ typedef struct { > /* FACILITY-REQUEST */ > typedef struct { > word Selector; > - byte structs[1]; /* Facility parameters */ > + byte structs[4]; /* Facility parameters */ > } _FAC_REQP; > /* FACILITY-CONFIRM STRUCT FOR SUPPLEMENT. SERVICES */ > typedef struct { -- Ben Hutchings, Staff Engineer, Solarflare Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked.