[libvirt] [PATCH] lxc: trivially support DomainHasManagedSaveImage

[Ján Tomko]

Return 0 instead of ERR_NO_SUPPORT to avoid spamming daemon logs
when 'virsh dominfo' is run.

https://bugzilla.redhat.com/show_bug.cgi?id=1095637
---
 src/lxc/lxc_driver.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
index 07ddce3..b5aa1cc 100644
--- a/src/lxc/lxc_driver.c
+++ b/src/lxc/lxc_driver.c
@@ -5717,6 +5717,29 @@ lxcNodeAllocPages(virConnectPtr conn,
 }
 
 
+static int
+lxcDomainHasManagedSaveImage(virDomainPtr dom, unsigned int flags)
+{
+    virDomainObjPtr vm = NULL;
+    int ret = -1;
+
+    virCheckFlags(0, -1);
+
+    if (!(vm = lxcDomObjFromDomain(dom)))
+        return ret;
+
+    if (virDomainHasManagedSaveImageEnsureACL(dom->conn, vm->def) < 0)
+        goto cleanup;
+
+    ret = 0;
+
+ cleanup:
+    if (vm)
+        virObjectUnlock(vm);
+    return ret;
+}
+
+
 /* Function Tables */
 static virHypervisorDriver lxcDriver = {
     .no = VIR_DRV_LXC,
@@ -5810,6 +5833,7 @@ static virHypervisorDriver lxcDriver = {
     .domainLxcOpenNamespace = lxcDomainLxcOpenNamespace, /* 1.0.2 */
     .nodeGetFreePages = lxcNodeGetFreePages, /* 1.2.6 */
     .nodeAllocPages = lxcNodeAllocPages, /* 1.2.9 */
+    .domainHasManagedSaveImage = lxcDomainHasManagedSaveImage, /* 1.2.12 */
 };
 
 static virStateDriver lxcStateDriver = {
-- 
2.0.4