[libvirt] [PATCH 1/5] rpc: push ref acquisition into RPC dispatch function

Daniel P. Berrangé berrange at redhat.com
Tue Mar 6 17:58:48 UTC 2018


There's no reason why the virNetServerClientDispatchRead method needs to
acquire an extra reference on the "client" object. An extra reference is
only needed if the registered dispatch callback is going to keep hold of
the "client" for work in the background. Thus we can push reference
acquisition into virNetServerDispatchNewMessage.

Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
---
 src/rpc/virnetserver.c       | 2 ++
 src/rpc/virnetserverclient.c | 2 --
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/rpc/virnetserver.c b/src/rpc/virnetserver.c
index 204f425264..28afe54e49 100644
--- a/src/rpc/virnetserver.c
+++ b/src/rpc/virnetserver.c
@@ -217,9 +217,11 @@ static int virNetServerDispatchNewMessage(virNetServerClientPtr client,
             priority = virNetServerProgramGetPriority(prog, msg->header.proc);
         }
 
+        virObjectRef(client);
         ret = virThreadPoolSendJob(srv->workers, priority, job);
 
         if (ret < 0) {
+            virObjectUnref(client);
             VIR_FREE(job);
             virObjectUnref(prog);
         }
diff --git a/src/rpc/virnetserverclient.c b/src/rpc/virnetserverclient.c
index 388514946b..00459d17ba 100644
--- a/src/rpc/virnetserverclient.c
+++ b/src/rpc/virnetserverclient.c
@@ -1315,12 +1315,10 @@ static void virNetServerClientDispatchRead(virNetServerClientPtr client)
 
         /* Send off to for normal dispatch to workers */
         if (msg) {
-            virObjectRef(client);
             if (!client->dispatchFunc ||
                 client->dispatchFunc(client, msg, client->dispatchOpaque) < 0) {
                 virNetMessageFree(msg);
                 client->wantClose = true;
-                virObjectUnref(client);
                 return;
             }
         }
-- 
2.14.3




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