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From 3a6d75f3784f62a5a016ea7790e9e41e8f9572d7 Mon Sep 17 00:00:00 2001
Message-Id: <3a6d75f3784f62a5a016ea7790e9e41e8f9572d7@dist-git>
From: "xinhua.Cao" <caoxinhua@huawei.com>
Date: Mon, 20 Aug 2018 10:08:59 -0400
Subject: [PATCH] remote: Extract common clearing of event callbacks of client
 private data

RHEL 7.6 https://bugzilla.redhat.com/show_bug.cgi?id=1610612
RHEL 7.5.z https://bugzilla.redhat.com/show_bug.cgi?id=1619206

Extract common clearing of event callbacks as remoteClientFreePrivateCallbacks.
the common function also separation including the sysident handling.

(cherry picked from commit 60e8bbc4c5902222d94474ca355ed9d650a38994)
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
---
 daemon/remote.c | 73 ++++++++++++++++++++++++++-----------------------
 1 file changed, 39 insertions(+), 34 deletions(-)

diff --git a/daemon/remote.c b/daemon/remote.c
index 806479e72d..70e1227f13 100644
--- a/daemon/remote.c
+++ b/daemon/remote.c
@@ -1688,6 +1688,44 @@ void remoteRelayConnectionClosedEvent(virConnectPtr conn ATTRIBUTE_UNUSED, int r
         VIR_FREE(eventCallbacks);                                           \
     } while (0);
 
+
+static void
+remoteClientFreePrivateCallbacks(struct daemonClientPrivate *priv)
+{
+    virIdentityPtr sysident = virIdentityGetSystem();
+    virIdentitySetCurrent(sysident);
+
+    DEREG_CB(priv->conn, priv->domainEventCallbacks,
+             priv->ndomainEventCallbacks,
+             virConnectDomainEventDeregisterAny, "domain");
+    DEREG_CB(priv->conn, priv->networkEventCallbacks,
+             priv->nnetworkEventCallbacks,
+             virConnectNetworkEventDeregisterAny, "network");
+    DEREG_CB(priv->conn, priv->storageEventCallbacks,
+             priv->nstorageEventCallbacks,
+             virConnectStoragePoolEventDeregisterAny, "storage");
+    DEREG_CB(priv->conn, priv->nodeDeviceEventCallbacks,
+             priv->nnodeDeviceEventCallbacks,
+             virConnectNodeDeviceEventDeregisterAny, "node device");
+    DEREG_CB(priv->conn, priv->secretEventCallbacks,
+             priv->nsecretEventCallbacks,
+             virConnectSecretEventDeregisterAny, "secret");
+    DEREG_CB(priv->conn, priv->qemuEventCallbacks,
+             priv->nqemuEventCallbacks,
+             virConnectDomainQemuMonitorEventDeregister, "qemu monitor");
+
+    if (priv->closeRegistered) {
+        if (virConnectUnregisterCloseCallback(priv->conn,
+                                              remoteRelayConnectionClosedEvent) < 0)
+            VIR_WARN("unexpected close callback event deregister failure");
+    }
+
+    virIdentitySetCurrent(NULL);
+    virObjectUnref(sysident);
+}
+#undef DEREG_CB
+
+
 /*
  * You must hold lock for at least the client
  * We don't free stuff here, merely disconnect the client's
@@ -1701,44 +1739,11 @@ void remoteClientFreeFunc(void *data)
 
     /* Deregister event delivery callback */
     if (priv->conn) {
-        virIdentityPtr sysident = virIdentityGetSystem();
-
-        virIdentitySetCurrent(sysident);
-
-        DEREG_CB(priv->conn, priv->domainEventCallbacks,
-                 priv->ndomainEventCallbacks,
-                 virConnectDomainEventDeregisterAny, "domain");
-        DEREG_CB(priv->conn, priv->networkEventCallbacks,
-                 priv->nnetworkEventCallbacks,
-                 virConnectNetworkEventDeregisterAny, "network");
-        DEREG_CB(priv->conn, priv->storageEventCallbacks,
-                 priv->nstorageEventCallbacks,
-                 virConnectStoragePoolEventDeregisterAny, "storage");
-        DEREG_CB(priv->conn, priv->nodeDeviceEventCallbacks,
-                 priv->nnodeDeviceEventCallbacks,
-                 virConnectNodeDeviceEventDeregisterAny, "node device");
-        DEREG_CB(priv->conn, priv->secretEventCallbacks,
-                 priv->nsecretEventCallbacks,
-                 virConnectSecretEventDeregisterAny, "secret");
-        DEREG_CB(priv->conn, priv->qemuEventCallbacks,
-                 priv->nqemuEventCallbacks,
-                 virConnectDomainQemuMonitorEventDeregister, "qemu monitor");
-
-        if (priv->closeRegistered) {
-            if (virConnectUnregisterCloseCallback(priv->conn,
-                                                  remoteRelayConnectionClosedEvent) < 0)
-                VIR_WARN("unexpected close callback event deregister failure");
-        }
-
+        remoteClientFreePrivateCallbacks(priv);
         virConnectClose(priv->conn);
-
-        virIdentitySetCurrent(NULL);
-        virObjectUnref(sysident);
     }
-
     VIR_FREE(priv);
 }
-#undef DEREG_CB
 
 
 static void remoteClientCloseFunc(virNetServerClientPtr client)
-- 
2.18.0