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[PULL,01/17] pci: cleanup failover sanity check

Message ID 20210223160144.1507082-2-mst@redhat.com
State New
Headers show
Series [PULL,01/17] pci: cleanup failover sanity check | expand

Commit Message

Michael S. Tsirkin Feb. 23, 2021, 4:03 p.m. UTC
From: Laurent Vivier <lvivier@redhat.com>

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: 4f5b6a05a4e7 ("pci: add option for net failover")
Fixes: a1190ab628c0 ("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>
 hw/pci/pci.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
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diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index a9ebef8a35..fa97a671d1 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -2127,10 +2127,8 @@  static void pci_qdev_realize(DeviceState *qdev, Error **errp)
-        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");