[libvirt] [PATCH] qemu: hotplug: unify "not found" logs when detaching device

[Chen Hanxiao]

From: Chen Hanxiao <chenhanxiao at gmail.com>

Some services, such as Nova, check whether device was not found
by errror messages "not found". [1]

This patch unify logs of qemuDomainDetachDeviceLive, which will be helpful.

[1] https://github.com/openstack/nova/blob/master/nova/virt/libvirt/guest.py#L406

Signed-off-by: Chen Hanxiao <chenhanxiao at gmail.com>
---
 src/qemu/qemu_hotplug.c | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index d97aa6051..925574b92 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -5093,7 +5093,7 @@ qemuDomainDetachShmemDevice(virQEMUDriverPtr driver,
 
     if ((idx = virDomainShmemDefFind(vm->def, dev)) < 0) {
         virReportError(VIR_ERR_OPERATION_INVALID, "%s",
-                       _("device not present in domain configuration"));
+                       _("device not found in domain configuration"));
         return -1;
     }
 
@@ -5150,7 +5150,7 @@ qemuDomainDetachWatchdog(virQEMUDriverPtr driver,
           watchdog->action == dev->action &&
           virDomainDeviceInfoAddressIsEqual(&dev->info, &watchdog->info))) {
         virReportError(VIR_ERR_OPERATION_INVALID, "%s",
-                       _("watchdog device not present in domain configuration"));
+                       _("watchdog device not found in domain configuration"));
         return -1;
     }
 
@@ -5233,8 +5233,11 @@ qemuDomainDetachNetDevice(virQEMUDriverPtr driver,
     virDomainNetDefPtr detach = NULL;
     qemuDomainObjPrivatePtr priv = vm->privateData;
 
-    if ((detachidx = virDomainNetFindIdx(vm->def, dev->data.net)) < 0)
+    if ((detachidx = virDomainNetFindIdx(vm->def, dev->data.net)) < 0) {
+        virReportError(VIR_ERR_OPERATION_FAILED,
+                       _("netdev %s not found"), dev->data.net->mac.addr);
         goto cleanup;
+    }
 
     detach = vm->def->nets[detachidx];
 
@@ -5420,8 +5423,9 @@ int qemuDomainDetachChrDevice(virQEMUDriverPtr driver,
     char *devstr = NULL;
 
     if (!(tmpChr = virDomainChrFind(vmdef, chr))) {
-        virReportError(VIR_ERR_OPERATION_INVALID, "%s",
-                       _("device not present in domain configuration"));
+        virReportError(VIR_ERR_OPERATION_INVALID,
+                       _("device %s not found in domain configuration"),
+                       chr->target.name);
         goto cleanup;
     }
 
@@ -5468,7 +5472,7 @@ qemuDomainDetachRNGDevice(virQEMUDriverPtr driver,
 
     if ((idx = virDomainRNGFind(vm->def, rng)) < 0) {
         virReportError(VIR_ERR_OPERATION_INVALID, "%s",
-                       _("device not present in domain configuration"));
+                       _("device not found in domain configuration"));
         return -1;
     }
 
@@ -5511,7 +5515,7 @@ qemuDomainDetachMemoryDevice(virQEMUDriverPtr driver,
 
     if ((idx = virDomainMemoryFindByDef(vm->def, memdef)) < 0) {
         virReportError(VIR_ERR_OPERATION_INVALID, "%s",
-                       _("device not present in domain configuration"));
+                       _("device not found in domain configuration"));
         return -1;
     }
 
-- 
2.14.3