Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into stagingHEADstagingmaster

virtio,pci,pc: bugfixes

small fixes all over the place.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu:
  net/vdpa: fix potential fd leak in net_init_vhost_vdpa()
  MAINTAINERS: add net/vhost* files under `vhost`
  intel_iommu: Allow both Status Write and Interrupt Flag in QI wait
  tests/acpi: virt: update HEST file with its current data
  tests/qtest/bios-tables-test: extend to also check HEST table
  tests/acpi: virt: add an empty HEST file
  hw/i386/amd_iommu: Fix event log generation
  hw/i386/amd_iommu: Support MMIO writes to the status register
  hw/i386/amd_iommu: Fix amdvi_write*()
  hw/i386/amd_iommu: Move IOAPIC memory region initialization to the end
  hw/i386/amd_iommu: Remove unused and wrongly set ats_enabled field
  hw/i386/amd_iommu: Fix MMIO register write tracing
  pcie_sriov: Fix configuration and state synchronization
  virtio-net: Fix VLAN filter table reset timing
  vhost: Do not abort on log-stop error
  vhost: Do not abort on log-start error
  virtio: fix off-by-one and invalid access in virtqueue_ordered_fill

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index c4c49b0..6b5b5da 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -929,8 +929,9 @@ static void virtio_net_set_features(VirtIODevice *vdev, uint64_t features)
         vhost_net_save_acked_features(nc->peer);
     }
 
-    if (!virtio_has_feature(features, VIRTIO_NET_F_CTRL_VLAN)) {
-        memset(n->vlans, 0xff, MAX_VLAN >> 3);
+    if (virtio_has_feature(vdev->guest_features ^ features, VIRTIO_NET_F_CTRL_VLAN)) {
+        bool vlan = virtio_has_feature(features, VIRTIO_NET_F_CTRL_VLAN);
+        memset(n->vlans, vlan ? 0 : 0xff, MAX_VLAN >> 3);
     }
 
     if (virtio_has_feature(features, VIRTIO_NET_F_STANDBY)) {
@@ -3942,6 +3943,7 @@ static void virtio_net_device_realize(DeviceState *dev, Error **errp)
     n->mac_table.macs = g_malloc0(MAC_TABLE_ENTRIES * ETH_ALEN);
 
     n->vlans = g_malloc0(MAX_VLAN >> 3);
+    memset(n->vlans, 0xff, MAX_VLAN >> 3);
 
     nc = qemu_get_queue(n->nic);
     nc->rxfilter_notify_enabled = 1;
@@ -4041,7 +4043,6 @@ static void virtio_net_reset(VirtIODevice *vdev)
     memset(n->mac_table.macs, 0, MAC_TABLE_ENTRIES * ETH_ALEN);
     memcpy(&n->mac[0], &n->nic->conf->macaddr, sizeof(n->mac));
     qemu_format_nic_info_str(qemu_get_queue(n->nic), n->mac);
-    memset(n->vlans, 0, MAX_VLAN >> 3);
 
     /* Flush any async TX */
     for (i = 0;  i < n->max_queue_pairs; i++) {