On 03/06/2018 10:58 AM, Daniel P. Berrangé wrote:
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@xxxxxxxxxx> --- src/rpc/virnetserver.c | 2 ++ src/rpc/virnetserverclient.c | 2 -- 2 files changed, 2 insertions(+), 2 deletions(-)
I haven't worked on this code much, but this change seems sane to me regardless of the lost locks issue.
Reviewed-by: Jim Fehlig <jfehlig@xxxxxxxx> Regards, Jim
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; } }
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