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virtio-pci: fix bus master bug setting on load

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The comment suggests we're checking for the driver in the ready
state and bus master disabled, but the code is checking that it's
not in the ready state.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Found-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Alex Williamson 2010-06-17 09:15:02 -06:00 • committed by Anthony Liguori
parent 511c023103
commit 8a91110738
1 changed files with 1 additions and 1 deletions
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2
hw/virtio-pci.c
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@ -155,7 +155,7 @@ static int virtio_pci_load_config(void * opaque, QEMUFile *f)
/* Try to find out if the guest has bus master disabled, but is
in ready state. Then we have a buggy guest OS. */
if (!(proxy->vdev->status & VIRTIO_CONFIG_S_DRIVER_OK) &&
if ((proxy->vdev->status & VIRTIO_CONFIG_S_DRIVER_OK) &&
!(proxy->pci_dev.config[PCI_COMMAND] & PCI_COMMAND_MASTER)) {
proxy->bugs |= VIRTIO_PCI_BUG_BUS_MASTER;
}