linux-kernel - [PATCH 1/5] vfio: Fix the ROM mask

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Message-ID: <20101030165901.885.82395.stgit@s20.home>
Date:	Sat, 30 Oct 2010 10:59:11 -0600
From:	Alex Williamson <alex.williamson@...hat.com>
To:	pugs@...co.com
Cc:	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	kvm@...r.kernel.org, avi@...hat.com, chrisw@...hat.com,
	mst@...hat.com, alex.williamson@...hat.com
Subject: [PATCH 1/5] vfio: Fix the ROM mask

OR in the enable address, don't set the whole mask with it.

Signed-off-by: Alex Williamson <alex.williamson@...hat.com>
---

 drivers/vfio/vfio_pci_config.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/vfio/vfio_pci_config.c b/drivers/vfio/vfio_pci_config.c
index 88deb19..8af995d 100644
--- a/drivers/vfio/vfio_pci_config.c
+++ b/drivers/vfio/vfio_pci_config.c
@@ -797,7 +797,7 @@ static void vfio_bar_fixup(struct vfio_dev *vdev)
 
 	if (pci_resource_start(pdev, PCI_ROM_RESOURCE)) {
 		mask = ~(pci_resource_len(pdev, PCI_ROM_RESOURCE) - 1);
-		mask = PCI_ROM_ADDRESS_ENABLE;
+		mask |= PCI_ROM_ADDRESS_ENABLE;
 	} else
 		mask = 0;
 	lp = (u32 *)(vdev->vconfig + PCI_ROM_ADDRESS);

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