From patchwork Mon Mar 16 12:35:54 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 6018351 X-Patchwork-Delegate: christophe.varoqui@free.fr Return-Path: X-Original-To: patchwork-dm-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id BB561BF90F for ; Mon, 16 Mar 2015 12:44:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F18F0204E2 for ; Mon, 16 Mar 2015 12:44:53 +0000 (UTC) Received: from mx5-phx2.redhat.com (mx5-phx2.redhat.com [209.132.183.37]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1FB55204D1 for ; Mon, 16 Mar 2015 12:44:53 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by mx5-phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t2GCboGO054526; Mon, 16 Mar 2015 08:37:50 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id t2GCbCvT028588 for ; Mon, 16 Mar 2015 08:37:12 -0400 Received: from mx1.redhat.com (ext-mx11.extmail.prod.ext.phx2.redhat.com [10.5.110.16]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t2GCbC97004125; Mon, 16 Mar 2015 08:37:12 -0400 Received: from mx2.suse.de (cantor2.suse.de [195.135.220.15]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id t2GCbAe2024043 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=FAIL); Mon, 16 Mar 2015 08:37:11 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id BEFAEADA5; Mon, 16 Mar 2015 12:37:07 +0000 (UTC) From: Hannes Reinecke To: Christophe Varoqui Date: Mon, 16 Mar 2015 13:35:54 +0100 Message-Id: <1426509425-15978-8-git-send-email-hare@suse.de> In-Reply-To: <1426509425-15978-1-git-send-email-hare@suse.de> References: <1426509425-15978-1-git-send-email-hare@suse.de> X-RedHat-Spam-Score: -7.309 (BAYES_00, DCC_REPUT_00_12, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, URIBL_BLOCKED) 195.135.220.15 cantor2.suse.de 195.135.220.15 cantor2.suse.de X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Scanned-By: MIMEDefang 2.68 on 10.5.110.16 X-loop: dm-devel@redhat.com Cc: dm-devel@redhat.com Subject: [dm-devel] [PATCH 07/78] libmultipath: Skip paths with empty wwid X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk Reply-To: device-mapper development List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP If the WWID is empty this is pretty much a terminal error, as we don't have anything to identify the multipath device. So skip those devices during discovery. Signed-off-by: Hannes Reinecke --- libmultipath/discovery.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c index 3e0afc4..948fa49 100644 --- a/libmultipath/discovery.c +++ b/libmultipath/discovery.c @@ -1230,7 +1230,8 @@ pathinfo (struct path *pp, vector hwtable, int mask) if ((mask & DI_WWID) && !strlen(pp->wwid)) get_uid(pp); if (mask & DI_BLACKLIST && mask & DI_WWID) { - if (filter_wwid(conf->blist_wwid, conf->elist_wwid, + if (!strlen(pp->wwid) || + filter_wwid(conf->blist_wwid, conf->elist_wwid, pp->wwid) > 0) { return PATHINFO_SKIPPED; } @@ -1244,6 +1245,8 @@ pathinfo (struct path *pp, vector hwtable, int mask) if (pp->state != PATH_DOWN || pp->priority == PRIO_UNDEF) { if (!strlen(pp->wwid)) get_uid(pp); + if (!strlen(pp->wwid)) + return PATHINFO_SKIPPED; get_prio(pp); } }