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pci: cleanup failover sanity check 

Commit a1190ab628 has added a "allow_unplug_during_migration = true" at
the end of the main "if" block, so it is not needed to set it anymore
in the previous checking.

Remove it, to have only sub-ifs that check for needed conditions and exit
if one fails.

Fixes: 4f5b6a05a4 ("pci: add option for net failover")
Fixes: a1190ab628 ("migration: allow unplug during migration for failover devices")
Cc: jfreimann@redhat.com
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20210212135250.2738750-2-lvivier@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Jens Freimann <jfreimann@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Laurent Vivier 2021-02-12 14:52:47 +01:00 committed by Michael S. Tsirkin
parent 7ef8134565
commit b01a49014a
1 changed files with 2 additions and 4 deletions
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6
hw/pci/pci.c
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@ -2127,10 +2127,8 @@ static void pci_qdev_realize(DeviceState *qdev, Error **errp)
pci_qdev_unrealize(DEVICE(pci_dev));
return;
}
if (!(pci_dev->cap_present & QEMU_PCI_CAP_MULTIFUNCTION)
&& (PCI_FUNC(pci_dev->devfn) == 0)) {
qdev->allow_unplug_during_migration = true;
} else {
if ((pci_dev->cap_present & QEMU_PCI_CAP_MULTIFUNCTION)
|| (PCI_FUNC(pci_dev->devfn) != 0)) {
error_setg(errp, "failover: primary device must be in its own "
"PCI slot");
pci_qdev_unrealize(DEVICE(pci_dev));