Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932295Ab2EGUf3 (ORCPT ); Mon, 7 May 2012 16:35:29 -0400 Received: from rcsinet15.oracle.com ([148.87.113.117]:50958 "EHLO rcsinet15.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757663Ab2EGUaZ (ORCPT ); Mon, 7 May 2012 16:30:25 -0400 From: Yinghai Lu To: Bjorn Helgaas , Benjamin Herrenschmidt , Tony Luck , David Miller , x86 Cc: Dominik Brodowski , Andrew Morton , Linus Torvalds , Greg Kroah-Hartman , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Yinghai Lu Subject: [PATCH 07/21] PCI: print conflicting entry in busn_res inserting Date: Mon, 7 May 2012 13:29:52 -0700 Message-Id: <1336422606-4244-8-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.7.7 In-Reply-To: <1336422606-4244-1-git-send-email-yinghai@kernel.org> References: <1336422606-4244-1-git-send-email-yinghai@kernel.org> X-Source-IP: acsinet22.oracle.com [141.146.126.238] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1811 Lines: 58 From: Bjorn Helgaas Print conflicting entry if insertion fails. Signed-off-by: Yinghai Lu --- drivers/pci/probe.c | 21 +++++++++++++-------- 1 files changed, 13 insertions(+), 8 deletions(-) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index bfbf064..7662ab7 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1717,8 +1717,7 @@ err_out: int pci_bus_insert_busn_res(struct pci_bus *b, int bus, int bus_max) { struct resource *res = &b->busn_res; - struct resource *parent_res; - int ret; + struct resource *parent_res, *conflict; res->start = bus; res->end = bus_max; @@ -1731,14 +1730,20 @@ int pci_bus_insert_busn_res(struct pci_bus *b, int bus, int bus_max) res->flags |= IORESOURCE_PCI_FIXED; } - ret = insert_resource(parent_res, res); + conflict = insert_resource_conflict(parent_res, res); - dev_printk(KERN_DEBUG, &b->dev, - "busn_res: %pR %s inserted under %s %pR\n", - res, ret ? "can not be" : "is", - pci_is_root_bus(b) ? "domain":"", parent_res); + if (conflict) + dev_printk(KERN_DEBUG, &b->dev, + "busn_res: can not insert %pR under %s%pR (conflicts with %s %pR)\n", + res, pci_is_root_bus(b) ? "domain " : "", + parent_res, conflict->name, conflict); + else + dev_printk(KERN_DEBUG, &b->dev, + "busn_res: %pR is inserted under %s%pR\n", + res, pci_is_root_bus(b) ? "domain " : "", + parent_res); - return ret; + return conflict == NULL; } int pci_bus_update_busn_res_end(struct pci_bus *b, int bus_max) -- 1.7.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/