netdev - Re: [RFC net-next PATCH 2/4] ixgbe: Reconfigure SR-IOV Init

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Date:	Wed, 27 Jul 2011 22:26:53 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	gregory.v.rose@...el.com
Cc:	netdev@...r.kernel.org, bhutchings@...arflare.com,
	jeffrey.t.kirsher@...el.com
Subject: Re: [RFC net-next PATCH 2/4] ixgbe: Reconfigure SR-IOV Init

From: Greg Rose <gregory.v.rose@...el.com>
Date: Wed, 27 Jul 2011 15:17:54 -0700

> +	int i;
> +	for (i = 0; i < adapter->num_vfs; i++) {
> +		if (adapter->vfinfo[i].vfdev->dev_flags &
> +			PCI_DEV_FLAGS_ASSIGNED) {
> +		return true;
> +		}
> +	}

Bad formatting and indentation, please fix this.

> +		pvfdev = pci_get_device(IXGBE_INTEL_VENDOR_ID, device_id, NULL);
> +		while (pvfdev) {
> +			if (pvfdev->devfn == thisvf_devfn)
> +				break;
> +			pvfdev = pci_get_device(IXGBE_INTEL_VENDOR_ID,
> +						device_id, pvfdev);
> +		}
> +		if (pvfdev)
> +			adapter->vfinfo[vfn].vfdev = pvfdev;

pci_get_*() grabs a reference to any non-NULL pci device object
returned, where does this reference get released?  I scanned
all uses of x.vfdev and x->vfdev and could not find the necessary
release.

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