[libvirt] [PATCH] qemu: Provide a much clearer message on device hot-plug

[Erik Skultety]

Adjust the current message to make it clear, that it is the hot-plug
operation that is unsupported with the given host device type.

https://bugzilla.redhat.com/show_bug.cgi?id=1450072

Signed-off-by: Erik Skultety <eskultet at redhat.com>
---
 src/qemu/qemu_hotplug.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c
index 4ca10863c..1b8504b13 100644
--- a/src/qemu/qemu_hotplug.c
+++ b/src/qemu/qemu_hotplug.c
@@ -2674,7 +2674,7 @@ qemuDomainAttachHostDevice(virConnectPtr conn,
 {
     if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS) {
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                       _("hostdev mode '%s' not supported"),
+                       _("hot-plug is not supported for hostdev mode '%s'"),
                        virDomainHostdevModeTypeToString(hostdev->mode));
         return -1;
     }
@@ -2705,7 +2705,8 @@ qemuDomainAttachHostDevice(virConnectPtr conn,
 
     default:
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                       _("hostdev subsys type '%s' not supported"),
+                       _("hot-plug is not supported for hostdev subsys type "
+                         "'%s'"),
                        virDomainHostdevSubsysTypeToString(hostdev->source.subsys.type));
         goto error;
     }
@@ -4820,7 +4821,8 @@ qemuDomainDetachThisHostDevice(virQEMUDriverPtr driver,
         break;
     default:
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                       _("hostdev subsys type '%s' not supported"),
+                       _("hot-unplug is not supported for hostdev subsys type "
+                         "'%s'"),
                        virDomainHostdevSubsysTypeToString(detach->source.subsys.type));
         return -1;
     }
@@ -4852,7 +4854,7 @@ int qemuDomainDetachHostDevice(virQEMUDriverPtr driver,
 
     if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS) {
         virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                       _("hostdev mode '%s' not supported"),
+                       _("hot-unplug is not supported for hostdev mode '%s'"),
                        virDomainHostdevModeTypeToString(hostdev->mode));
         return -1;
     }
-- 
2.12.2