linux-kernel - Re: [PATCH v2, part 1 3/9] PCI: Convert alloc_pci_dev(void) to pci_alloc

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Message-ID: <CAE9FiQWXN_ETRFPb5oFx-6LXyuHviX3h3NXCQKjcxtv2Uma-JA@mail.gmail.com>
Date:	Tue, 14 May 2013 11:52:51 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Liu Jiang <liuj97@...il.com>
Cc:	Gu Zheng <guz.fnst@...fujitsu.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"Rafael J . Wysocki" <rjw@...k.pl>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Toshi Kani <toshi.kani@...com>,
	Myron Stowe <myron.stowe@...hat.com>,
	Yijing Wang <wangyijing@...wei.com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	"David S. Miller" <davem@...emloft.net>,
	David Airlie <airlied@...ux.ie>,
	Neela Syam Kolli <megaraidlinux@....com>,
	"James E.J. Bottomley" <jbottomley@...allels.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linuxppc-dev@...ts.ozlabs.org,
	"sparclinux@...r.kernel.org" <sparclinux@...r.kernel.org>,
	Linux-Scsi <linux-scsi@...r.kernel.org>,
	Jiang Liu <jiang.liu@...wei.com>
Subject: Re: [PATCH v2, part 1 3/9] PCI: Convert alloc_pci_dev(void) to
 pci_alloc_dev(bus) instead

On Tue, May 14, 2013 at 9:57 AM, Liu Jiang <liuj97@...il.com> wrote:
> On Tue 14 May 2013 11:10:33 PM CST, Yinghai Lu wrote:
>>
>> On Tue, May 14, 2013 at 7:59 AM, Liu Jiang <liuj97@...il.com> wrote:
>>>
>>> On 05/14/2013 04:26 PM, Gu Zheng wrote:
>>>      I suggest to use pci_release_dev() instead because it also needs to
>>> release OF related resources.
>>> I will update it in next version.
>>>
>>> diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
>>> index bc075a3..2ac6338 100644
>>> --- a/drivers/pci/probe.c
>>> +++ b/drivers/pci/probe.c
>>> @@ -1281,7 +1281,7 @@ static struct pci_dev *pci_scan_device(struct
>>> pci_bus
>>> *bus
>>>          pci_set_of_node(dev);
>>>
>>>          if (pci_setup_device(dev)) {
>>> -               kfree(dev);
>>> +               pci_release_dev(&dev->dev);
>>>                  return NULL;
>>
>>
>> no, should move pci_set_of_node calling into pci_setup_device.
>>
>> Yinghai
>
>
> I'm not sure whether we should call pci_set_of_node() for SR-IOV devices
> too,
> any suggestions here?

or just move down pci_set_of_node after pci_setup_device?

anyway that is another bug.

Yinghai
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