From patchwork Fri Jul 31 11:38:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Jackson X-Patchwork-Id: 11694745 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6E321722 for ; Fri, 31 Jul 2020 12:02:46 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5525422CA1 for ; Fri, 31 Jul 2020 12:02:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5525422CA1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=eu.citrix.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1k1Tk4-0002HY-Si; Fri, 31 Jul 2020 12:02:28 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1k1Tk4-00026u-5E for xen-devel@lists.xenproject.org; Fri, 31 Jul 2020 12:02:28 +0000 X-Inumbo-ID: b261fa71-d325-11ea-8e2b-bc764e2007e4 Received: from chiark.greenend.org.uk (unknown [2001:ba8:1e3::]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id b261fa71-d325-11ea-8e2b-bc764e2007e4; Fri, 31 Jul 2020 12:02:26 +0000 (UTC) Received: from [172.18.45.5] (helo=zealot.relativity.greenend.org.uk) by chiark.greenend.org.uk (Debian Exim 4.84_2 #1) with esmtp (return-path ijackson@chiark.greenend.org.uk) id 1k1TN2-0001W4-AN; Fri, 31 Jul 2020 12:38:40 +0100 From: Ian Jackson To: xen-devel@lists.xenproject.org Subject: [OSSTEST PATCH v2 32/41] adhoc-revtuple-generator: Fix an undef warning in a debug print Date: Fri, 31 Jul 2020 12:38:11 +0100 Message-Id: <20200731113820.5765-33-ian.jackson@eu.citrix.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200731113820.5765-1-ian.jackson@eu.citrix.com> References: <20200731113820.5765-1-ian.jackson@eu.citrix.com> MIME-Version: 1.0 X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Ian Jackson Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" $parents might be undef here. Signed-off-by: Ian Jackson --- New in v2. --- adhoc-revtuple-generator | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/adhoc-revtuple-generator b/adhoc-revtuple-generator index c8d6f4ad..ec33305a 100755 --- a/adhoc-revtuple-generator +++ b/adhoc-revtuple-generator @@ -463,7 +463,7 @@ sub coalesce { $out->{$node}{Date}= $explode_date; my $parents= $graphs[$explode_i]{ $node[$explode_i] }{Parents}; print DEBUG "#$explode_i $explode_isearliest". - " $explode_date x".scalar(@$parents)."\n"; + " $explode_date x".($parents ? scalar(@$parents) : "-")."\n"; foreach my $subparent (@$parents) { $node[$explode_i]= $subparent;