[libvirt] [PATCH V2] Fix bug of attaching redirdev device

RHBZ: https://bugzilla.redhat.com/show_bug.cgi?id=1298070 The corresponding chardev must be attached first, otherwise the the qemu command line won't be complete (missing the host part), --- src/qemu/qemu_hotplug.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index ee305e7..40cead7 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -1381,6 +1381,7 @@ int qemuDomainAttachRedirdevDevice(virQEMUDriverPtr driver, int ret; qemuDomainObjPrivatePtr priv = vm->privateData; virDomainDefPtr def = vm->def; + char *charAlias = NULL; char *devstr = NULL; if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE)) { @@ -1391,6 +1392,10 @@ int qemuDomainAttachRedirdevDevice(virQEMUDriverPtr driver, if (qemuAssignDeviceRedirdevAlias(vm->def, redirdev, -1) < 0) goto error; + + if (virAsprintf(&charAlias, "char%s", redirdev->info.alias) < 0) + goto error; + if (!(devstr = qemuBuildRedirdevDevStr(def, redirdev, priv->qemuCaps))) goto error; @@ -1398,6 +1403,14 @@ int qemuDomainAttachRedirdevDevice(virQEMUDriverPtr driver, goto error; qemuDomainObjEnterMonitor(driver, vm); + if (qemuMonitorAttachCharDev(priv->mon, + charAlias, + &(redirdev->source.chr)) < 0) { + ignore_value(qemuDomainObjExitMonitor(driver, vm)); + goto error; + } + VIR_FREE(charAlias); + ret = qemuMonitorAddDevice(priv->mon, devstr); if (qemuDomainObjExitMonitor(driver, vm) < 0) @@ -1414,9 +1427,9 @@ int qemuDomainAttachRedirdevDevice(virQEMUDriverPtr driver, return 0; error: + VIR_FREE(charAlias); VIR_FREE(devstr); return -1; - } static int -- 2.1.4