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Date:	Wed, 15 May 2013 07:58:44 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Liu Jiang <liuj97@...il.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	"Rafael J . Wysocki" <rjw@...k.pl>, linuxppc-dev@...ts.ozlabs.org,
	"sparclinux@...r.kernel.org" <sparclinux@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>
Cc:	Gu Zheng <guz.fnst@...fujitsu.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Myron Stowe <myron.stowe@...hat.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Paul Mackerras <paulus@...ba.org>
Subject: Re: [PATCH v2, part 1 3/9] PCI: Convert alloc_pci_dev(void) to
 pci_alloc_dev(bus) instead

On Wed, May 15, 2013 at 7:46 AM, Liu Jiang <liuj97@...il.com> wrote:
> On Wed 15 May 2013 10:43:02 PM CST, Yinghai Lu wrote:
>>
>
>> that is another bug, let of guy handle it.
>>
>> Yinghai
>
> Hi Yinghai,
>       I don't know any OF exports, could you please help to CC
> some OF experts?

powerpc and sparc are using that.

Ben,

in drivers/pci/probe.c::pci_scan_device() there is

        pci_set_of_node(dev);

        if (pci_setup_device(dev)) {
                kfree(dev);
                return NULL;
        }

so if pci_setup_device fails, there is one dev reference is not release.

please check you can just move down pci_set_of_node down after that
failing path, like


        if (pci_setup_device(dev)) {
                kfree(dev);
                return NULL;
        }

        pci_set_of_node(dev);

Yinghai
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