On 9/26/19 11:51 AM, Laine Stump wrote:
On 9/26/19 3:28 AM, Michal Privoznik wrote:
On 9/25/19 6:57 PM, Laine Stump wrote:

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 0753904472..5f63c4f51e 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -8786,8 +8786,10 @@ qemuDomainUpdateDeviceConfig(virDomainDefPtr vmdef,
                                           false) < 0)
              return -1;
  -        virDomainNetDefFree(vmdef->nets[pos]);
-        vmdef->nets[pos] = net;
+        if (virDomainNetUpdate(vmdef, pos, net))
+            return -1;
+
+        virDomainNetDefFree(oldDev.data.net);
          dev->data.net = NULL;
          break;


The same code pattern occurrs in lxcDomainUpdateDeviceConfig() so you may want to fix it the same way as you're doing here.


Sure. I try to keep changes in sync for all the hypervisors that support any particular operation, but sometimes I'm too focused on eliminating my specific problem and forget.


... although to be fair, lxc doesn't support <interface type='hostdev'> (or <hostdev mode='subsystem' type='pci'> at all, which is what's implied by <interface type='hostdev'>).


Still, it doesn't harm anything to use the common function (which reduces to just replacing the nets entry

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