From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 47F4FC4332F for ; Fri, 21 Jan 2022 14:23:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350792AbiAUOX6 (ORCPT ); Fri, 21 Jan 2022 09:23:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43028 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350657AbiAUOX6 (ORCPT ); Fri, 21 Jan 2022 09:23:58 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BFC3DC06173B for ; Fri, 21 Jan 2022 06:23:57 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6886F61348 for ; Fri, 21 Jan 2022 14:23:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B304BC340EA; Fri, 21 Jan 2022 14:23:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1642775036; bh=uYhY1xO6bt5KgpSsQlYQZMVvnFbEIGRLfU6nay64No8=; h=From:To:Subject:Date:In-Reply-To:References:From; b=YmI9p9YHP1dqG9RPOZ5akTceWujJGlzz9lyoFzsLClOB6hF1Ie8pVoCfY5vPBvo4U pIfJV8TD4pa+LFQSpbXSBxoqOo4vofWy+543wRl5k8086AXjBddA8CfcIpD43yoXwS lyNruK4/KGnBjRAxzz0R1PBGn9KrRJ3q3wbuXfx3tL7audBD9Ddl8cWx3wwmWPvgq5 xJUr2N+eGze4NFILjdo/JO273cOnUfosHKXJf5DTPGsPvvat8E5UdBrFRei8Tza08T E1N/1lMOBbJRXQgGFzU6YEvzXp4hN9ifmiHq/22Ca494yPwwjdfds3NWzRllI55xhV zcXyMgrsl07UQ== Received: by pali.im (Postfix) id 6C0BD857; Fri, 21 Jan 2022 15:23:56 +0100 (CET) From: =?UTF-8?q?Pali=20Roh=C3=A1r?= To: Martin Mares , Bjorn Helgaas , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Matthew Wilcox , linux-pci@vger.kernel.org Subject: [PATCH pciutils 4/4] lspci: Do not show -[00]- bus in tree output Date: Fri, 21 Jan 2022 15:22:58 +0100 Message-Id: <20220121142258.28170-5-pali@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20220121142258.28170-1-pali@kernel.org> References: <20220121142258.28170-1-pali@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Secondary or subordinate bus cannot be zero. Zero value could indicate either invalid secondary bus value or the fact that secondary bus value was not filled or indicates non-compliant PCI-to-PCI bridge. This change makes tree output better readable when bus numbers are not known or not provided. --- ls-tree.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/ls-tree.c b/ls-tree.c index fede581156e4..f8154a2b034a 100644 --- a/ls-tree.c +++ b/ls-tree.c @@ -258,7 +258,9 @@ show_tree_dev(struct device *d, char *line, char *p) for (b=&host_bridge; b; b=b->chain) if (b->br_dev == d) { - if (b->secondary == b->subordinate) + if (b->secondary == 0) + p = tree_printf(line, p, "-"); + else if (b->secondary == b->subordinate) p = tree_printf(line, p, "-[%02x]-", b->secondary); else p = tree_printf(line, p, "-[%02x-%02x]-", b->secondary, b->subordinate); -- 2.20.1