From: Michal Privoznik <mprivozn@redhat.com>
Date: Tue, 5 Sep 2017 07:51:46 +0000 (+0200)
Subject: qemu: cold-plug of watchdog
X-Git-Tag: v3.8.0-rc1~144
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=50c1dbafae5676cdbe6692a7c6b2775d840c6734;p=thirdparty%2Flibvirt.git

qemu: cold-plug of watchdog

https://bugzilla.redhat.com/show_bug.cgi?id=1447169

With this patch users can cold plug a watchdog. Things are pretty
simple because a domain can have at most one watchdog device.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
---

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 70cdc88e1b..7c62ec01b9 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -7995,10 +7995,18 @@ qemuDomainAttachDeviceConfig(virDomainDefPtr vmdef,
         dev->data.shmem = NULL;
         break;
 
+    case VIR_DOMAIN_DEVICE_WATCHDOG:
+        if (vmdef->watchdog) {
+            virReportError(VIR_ERR_OPERATION_INVALID, "%s",
+                           _("domain already has a watchdog"));
+            return -1;
+        }
+        VIR_STEAL_PTR(vmdef->watchdog, dev->data.watchdog);
+        break;
+
     case VIR_DOMAIN_DEVICE_INPUT:
     case VIR_DOMAIN_DEVICE_SOUND:
     case VIR_DOMAIN_DEVICE_VIDEO:
-    case VIR_DOMAIN_DEVICE_WATCHDOG:
     case VIR_DOMAIN_DEVICE_GRAPHICS:
     case VIR_DOMAIN_DEVICE_HUB:
     case VIR_DOMAIN_DEVICE_SMARTCARD: