linux-kernel - Re: [PATCH] PCIe: portdrv: call pci_disable

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Message-Id: <200903081117.19660.rjw@sisk.pl>
Date:	Sun, 8 Mar 2009 11:17:19 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Alex Chiang <achiang@...com>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>, matthew@....cx,
	stable@...nel.org, "linux-pci" <linux-pci@...r.kernel.org>,
	"linux-kernel" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] PCIe: portdrv: call pci_disable_device during remove

On Sunday 08 March 2009, Alex Chiang wrote:
> The PCIe port driver calls pci_enable_device() during probe but
> never calls pci_disable_device() during remove.
> 
> Cc: stable@...nel.org
> Signed-off-by: Alex Chiang <achiang@...com>
> ---
> This is a bug in the original PCIe port driver code, and should
> be backported to the .27 and .28 stable series.
> 
> The implementation of the PCIe port driver is different in
> linux-next, and I have a different patch for that.

Fine with me.

> ---
> diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
> index 248b4db..5ea566e 100644
> --- a/drivers/pci/pcie/portdrv_pci.c
> +++ b/drivers/pci/pcie/portdrv_pci.c
> @@ -103,6 +103,7 @@ static int __devinit pcie_portdrv_probe (struct pci_dev *dev,
>  static void pcie_portdrv_remove (struct pci_dev *dev)
>  {
>  	pcie_port_device_remove(dev);
> +	pci_disable_device(dev);
>  	kfree(pci_get_drvdata(dev));
>  }

Thanks,
Rafael
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