On 16.12.2014 17:41, Ján Tomko wrote:
If the domain has died while we were in the monitor,
do not clean up what was cleaned up in qemuProcessStop.
---
src/qemu/qemu_hotplug.c | 83 +++++++++++++++++++++++++++++++++----------------
1 file changed, 56 insertions(+), 27 deletions(-)
diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 38471e3..94bc4a2 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -275,7 +275,8 @@ qemuDomainCheckEjectableMedia(virQEMUDriverPtr driver,
if (qemuDomainObjEnterMonitorAsync(driver, vm, asyncJob) == 0) {
table = qemuMonitorGetBlockInfo(priv->mon);
- qemuDomainObjExitMonitor(driver, vm);
+ if (qemuDomainObjExitMonitorAlive(driver, vm) < 0)
+ goto cleanup;
}
if (!table)
@@ -391,7 +392,10 @@ qemuDomainAttachVirtioDiskDevice(virConnectPtr conn,
memcpy(&disk->info.addr.pci, &guestAddr, sizeof(guestAddr));
}
}
- qemuDomainObjExitMonitor(driver, vm);
+ if (qemuDomainObjExitMonitorAlive(driver, vm) < 0) {
+ ret = -1;
+ goto cleanup;
I think this needs to be 'goto error'. Moreover, should ve call
virDomainAuditDisk(.., false) to state explicitly that disk attaching
went wrong?
+ }
virDomainAuditDisk(vm, NULL, disk->src, "attach", ret >= 0);
@@ -485,7 +489,10 @@ int qemuDomainAttachControllerDevice(virQEMUDriverPtr driver,
type,
&controller->info.addr.pci);
}
- qemuDomainObjExitMonitor(driver, vm);
+ if (qemuDomainObjExitMonitorAlive(driver, vm) < 0) {
+ ret = -1;
+ goto cleanup;
+ }
if (ret == 0) {
if (controller->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
@@ -636,7 +643,8 @@ qemuDomainAttachSCSIDisk(virConnectPtr conn,
disk->info.addr.drive.unit = driveAddr.unit;
}
}
- qemuDomainObjExitMonitor(driver, vm);
+ if (qemuDomainObjExitMonitorAlive(driver, vm) < 0)
+ goto cleanup;
Ditto.
virDomainAuditDisk(vm, NULL, disk->src, "attach", ret >= 0);
@@ -724,7 +732,8 @@ qemuDomainAttachUSBMassstorageDevice(virConnectPtr conn,
} else {
ret = qemuMonitorAddUSBDisk(priv->mon, src);
}
- qemuDomainObjExitMonitor(driver, vm);
+ if (qemuDomainObjExitMonitorAlive(driver, vm) < 0)
+ goto cleanup;
And here too.
virDomainAuditDisk(vm, NULL, disk->src, "attach", ret >= 0);
@@ -1030,7 +1039,8 @@ int qemuDomainAttachNetDevice(virConnectPtr conn,
if (qemuMonitorAddNetdev(priv->mon, netstr,
tapfd, tapfdName, tapfdSize,
vhostfd, vhostfdName, vhostfdSize) < 0) {
- qemuDomainObjExitMonitor(driver, vm);
+ if (qemuDomainObjExitMonitorAlive(driver, vm) < 0)
+ goto cleanup;
And here too.
virDomainAuditNet(vm, NULL, net, "attach",
false);
goto cleanup;
}
@@ -1038,7 +1048,8 @@ int qemuDomainAttachNetDevice(virConnectPtr conn,
if (qemuMonitorAddHostNetwork(priv->mon, netstr,
tapfd, tapfdName, tapfdSize,
vhostfd, vhostfdName, vhostfdSize) < 0) {
- qemuDomainObjExitMonitor(driver, vm);
+ if (qemuDomainObjExitMonitorAlive(driver, vm) < 0)
+ goto cleanup;
And here too.
virDomainAuditNet(vm, NULL, net, "attach",
false);
goto cleanup;
}
@@ -1068,7 +1079,8 @@ int qemuDomainAttachNetDevice(virConnectPtr conn,
qemuDomainObjEnterMonitor(driver, vm);
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) {
if (qemuMonitorAddDevice(priv->mon, nicstr) < 0) {
- qemuDomainObjExitMonitor(driver, vm);
+ if (qemuDomainObjExitMonitorAlive(driver, vm) < 0)
+ goto cleanup;
And here too.
virDomainAuditNet(vm, NULL, net, "attach",
false);
goto try_remove;
}
@@ -1076,14 +1088,16 @@ int qemuDomainAttachNetDevice(virConnectPtr conn,
guestAddr = net->info.addr.pci;
if (qemuMonitorAddPCINetwork(priv->mon, nicstr,
&guestAddr) < 0) {
- qemuDomainObjExitMonitor(driver, vm);
+ if (qemuDomainObjExitMonitorAlive(driver, vm) < 0)
+ goto cleanup;
And here too.
virDomainAuditNet(vm, NULL, net, "attach",
false);
goto try_remove;
}
net->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI;
memcpy(&net->info.addr.pci, &guestAddr, sizeof(guestAddr));
}
- qemuDomainObjExitMonitor(driver, vm);
+ if (qemuDomainObjExitMonitorAlive(driver, vm) < 0)
+ goto cleanup;
/* set link state */
if (net->linkstate == VIR_DOMAIN_NET_INTERFACE_LINK_STATE_DOWN) {
@@ -1095,7 +1109,8 @@ int qemuDomainAttachNetDevice(virConnectPtr conn,
if (virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_NETDEV)) {
if (qemuMonitorSetLink(priv->mon, net->info.alias,
VIR_DOMAIN_NET_INTERFACE_LINK_STATE_DOWN) < 0) {
- qemuDomainObjExitMonitor(driver, vm);
+ if (qemuDomainObjExitMonitorAlive(driver, vm) < 0)
+ goto cleanup;
And here too. I'm stopping to report this. I'm sure you get the idea.
Michal