[libvirt] [PATCH] qemu: backup: Move capability check after inactive check

[Peter Krempa]

Inactive VM doesn't have qemuCaps set thus we'd never properly report
that VM backups are supported only for running VMs.

Move the capability check after the active check.

Signed-off-by: Peter Krempa <pkrempa at redhat.com>
---
 src/qemu/qemu_backup.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/qemu/qemu_backup.c b/src/qemu/qemu_backup.c
index c0445e0869..86b10a2b8a 100644
--- a/src/qemu/qemu_backup.c
+++ b/src/qemu/qemu_backup.c
@@ -750,12 +750,6 @@ qemuBackupBegin(virDomainObjPtr vm,

     virCheckFlags(VIR_DOMAIN_BACKUP_BEGIN_REUSE_EXTERNAL, -1);

-    if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_INCREMENTAL_BACKUP)) {
-        virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
-                       _("incremental backup is not supported yet"));
-        return -1;
-    }
-
     if (!(def = virDomainBackupDefParseString(backupXML, priv->driver->xmlopt, 0)))
         return -1;

@@ -793,6 +787,12 @@ qemuBackupBegin(virDomainObjPtr vm,
         goto endjob;
     }

+    if (!virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_INCREMENTAL_BACKUP)) {
+        virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
+                       _("incremental backup is not supported yet"));
+        goto endjob;
+    }
+
     if (priv->backup) {
         virReportError(VIR_ERR_OPERATION_INVALID, "%s",
                        _("another backup job is already running"));
-- 
2.24.1