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qemu: Auto generate a controller when attach hostdev and chr device

Browse Source 
https://bugzilla.redhat.com/show_bug.cgi?id=1174154

When we use attach-device add a hostdev or chr device which have a
iscsi address or others (just like guest agent, subsys iscsi disk...),
we will find there is no basic controller for our new attached device.
Somtimes this will make guest cannot start after we add them (although
they can start at the second time).

Signed-off-by: Luyao Huang <lhuang@redhat.com>
This commit is contained in:
Luyao Huang 2014-12-15 17:49:54 +08:00 committed by Michal Privoznik
parent 44292e48a0
commit 98dee71759
1 changed files with 4 additions and 0 deletions
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4
src/qemu/qemu_driver.c
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@ -7250,6 +7250,8 @@ qemuDomainAttachDeviceConfig(virQEMUCapsPtr qemuCaps,
if (virDomainHostdevInsert(vmdef, hostdev))
return -1;
dev->data.hostdev = NULL;
if (virDomainDefAddImplicitControllers(vmdef) < 0)
return -1;
if (qemuDomainAssignAddresses(vmdef, qemuCaps, NULL) < 0)
return -1;
break;
@ -7290,6 +7292,8 @@ qemuDomainAttachDeviceConfig(virQEMUCapsPtr qemuCaps,
if (qemuDomainChrInsert(vmdef, dev->data.chr) < 0)
return -1;
dev->data.chr = NULL;
if (virDomainDefAddImplicitControllers(vmdef) < 0)
return -1;
break;
case VIR_DOMAIN_DEVICE_FS: