From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH for-4.5] xl: correct test condition on libxl_domain_info Date: Wed, 12 Nov 2014 11:10:52 +0000 Message-ID: <1415790652.29592.3.camel@citrix.com> References: <1415790358-16787-1-git-send-email-wei.liu2@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1415790358-16787-1-git-send-email-wei.liu2@citrix.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: Wei Liu Cc: Chao Peng , Dongxiao Xu , Ian Jackson , xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org CCing the folks who signed-of-by is on the original patch On Wed, 2014-11-12 at 11:05 +0000, Wei Liu wrote: > The `if' statement considered return value 0 from libxl_domain_info an > error, while 0 actually means success. > > Signed-off-by: Wei Liu Acked-by: Ian Campbell > Cc: Ian Jackson > --- > This is a bug fix for PSR feature. This feature was added recently and it's > not an regression. However, it would be good to have it working correctly > since the beginning, and the fix is straightforward, which should be of > very low risk. Ack. > --- > tools/libxl/xl_cmdimpl.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c > index 3c9f146..9afef3f 100644 > --- a/tools/libxl/xl_cmdimpl.c > +++ b/tools/libxl/xl_cmdimpl.c > @@ -7908,7 +7908,7 @@ static int psr_cmt_show_cache_occupancy(uint32_t domid) > /* Each domain */ > if (domid != INVALID_DOMID) { > libxl_dominfo dominfo; > - if (!libxl_domain_info(ctx, &dominfo, domid)) { > + if (libxl_domain_info(ctx, &dominfo, domid)) { > fprintf(stderr, "Failed to get domain info for %d\n", domid); > return -1; > }