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Date: Wed, 19 Sep 2012 00:54:38 +0100
From: Matthew Garrett <mjg@redhat.com>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>, linux-pci@vger.kernel.org,
	linux-kernel@vger.kernel.org, x86@kernel.org,
	Dave Airlie <airlied@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Julia Lawall <julia@diku.dk>
Subject: Re: [PATCH] PCI: fix default vga ref_count
Message-ID: <20120918235438.GA13373@srcf.ucam.org>
References: <CAErSpo54VVFHj4TDA5JELW0LwFVMXjVOJywwFQ4fo4C1rX69mQ@mail.gmail.com>
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On Tue, Sep 18, 2012 at 04:44:42PM -0700, Yinghai Lu wrote:

>  void vga_set_default_device(struct pci_dev *pdev)
>  {
> +	if (vga_default)
> +		pci_dev_put(vga_default);
> +
> +	if (pdev)
> +		pdev = pci_dev_get(pdev);
> +
>  	vga_default = pdev;

It shouldn't happen, but do we want to check for the vga_default == pdev 
case?

-- 
Matthew Garrett | mjg59@srcf.ucam.org