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qemu_interface: Fix managed='no' case when creating an ethernet interface

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In a recent commit of v9.0.0-rc1~192 I've tried to forbid case
where a TAP device already exists, but at the same time it's
managed by Libvirt (<interface type='ethernet'> <target
dev='tap0' managed='yes'/> </interface>). NB, if @managed
attribute is missing then it's assumed to be managed by Libvirt.

Anyway, I've mistakenly put setting of
VIR_NETDEV_TAP_CREATE_ALLOW_EXISTING flag into managed='yes'
branch instead of managed='no' branch in
qemuInterfaceEthernetConnect().

Move the setting of the flag into the correct branch.

Fixes: a2ae3d299cf9c5ada8aa42ec4271748eb479dc27
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
This commit is contained in:
Michal Privoznik 2023-01-23 11:42:18 +01:00
parent af99d60dc8
commit d6a8b9eef7
1 changed files with 3 additions and 2 deletions
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5
src/qemu/qemu_interface.c
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@ -443,6 +443,9 @@ qemuInterfaceEthernetConnect(virDomainDef *def,
_("target managed='no' but specified dev doesn't exist"));
goto cleanup;
}
tap_create_flags |= VIR_NETDEV_TAP_CREATE_ALLOW_EXISTING;
if (virNetDevMacVLanIsMacvtap(net->ifname)) {
auditdev = net->ifname;
if (virNetDevMacVLanTapOpen(net->ifname, tapfd, tapfdSize) < 0)
@ -461,8 +464,6 @@ qemuInterfaceEthernetConnect(virDomainDef *def,
if (!net->ifname)
template_ifname = true;
tap_create_flags |= VIR_NETDEV_TAP_CREATE_ALLOW_EXISTING;
if (virNetDevTapCreate(&net->ifname, tunpath, tapfd, tapfdSize,
tap_create_flags) < 0) {
goto cleanup;