From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH 1/7] libxc: fix uninitialized variable in xc_cpuid_pv_policy() Date: Fri, 3 Jul 2015 16:50:33 +0100 Message-ID: <1435938633.9447.170.camel@citrix.com> References: <1435772232-39085-1-git-send-email-Jennifer.Herbert@citrix.com> <1435772232-39085-2-git-send-email-Jennifer.Herbert@citrix.com> <21910.42740.702016.879273@mariner.uk.xensource.com> <1435937956.9447.165.camel@citrix.com> <21910.44668.137420.207924@mariner.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <21910.44668.137420.207924@mariner.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Jackson Cc: wei.liu2@citrix.com, stefano.stabellini@eu.citrix.com, Jennifer Herbert , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On Fri, 2015-07-03 at 16:47 +0100, Ian Jackson wrote: > Ian Campbell writes ("Re: [Xen-devel] [PATCH 1/7] libxc: fix uninitialized variable in xc_cpuid_pv_policy()"): > > On Fri, 2015-07-03 at 16:15 +0100, Ian Jackson wrote: > > > Unfortunately xc_cpuid_pv_policy doesn't return an error code. I > > > think it needs to. So that's rather a yak. > > > > I was about to say it's not one worth shaving, but actually although > > this returns void it is static and has exactly one caller which can > > return errors -- so it's a very easy yakk to shave it seems. > > I guess part of my view is that the point of having Coverity spot > anomalies is to find broken code and fix it. > > To then look at the issues which we spot as a result of looking at the > code, when prodded by Coverity, and decide to fix only half of the > problem, is to waste the opportunity for improvement presented by > Coverity. (Or to look at it another way it is a waste of the effort > of setting up Coverity and then wading through the false positives.) This is a good way to think of it, thanks. Ian.