[PATCH v2 5/5] migration/multifd: Drop unnecessary helper to destroy IOC

[peterx@redhat.com]

From: Peter Xu <peterx@redhat.com>

Both socket_send_channel_destroy() and multifd_send_channel_destroy() are
unnecessary wrappers to destroy an IOC, as the only thing to do is to
release the final IOC reference.  We have plenty of code that destroys an
IOC using direct unref() already; keep that style.

Signed-off-by: Peter Xu <peterx@redhat.com>
---
 migration/socket.h  | 1 -
 migration/multifd.c | 7 +------
 migration/socket.c  | 7 -------
 3 files changed, 1 insertion(+), 14 deletions(-)

diff --git a/migration/socket.h b/migration/socket.h
index 5f52eddd4c..46c233ecd2 100644
--- a/migration/socket.h
+++ b/migration/socket.h
@@ -23,7 +23,6 @@
 
 void socket_send_channel_create(QIOTaskFunc f, void *data);
 QIOChannel *socket_send_channel_create_sync(Error **errp);
-int socket_send_channel_destroy(QIOChannel *send);
 
 void socket_start_incoming_migration(SocketAddress *saddr, Error **errp);
 
diff --git a/migration/multifd.c b/migration/multifd.c
index e901b32c19..c2eac0c3e6 100644
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -641,16 +641,11 @@ static void multifd_send_terminate_threads(void)
     }
 }
 
-static int multifd_send_channel_destroy(QIOChannel *send)
-{
-    return socket_send_channel_destroy(send);
-}
-
 static bool multifd_send_cleanup_channel(MultiFDSendParams *p, Error **errp)
 {
     if (p->c) {
         migration_ioc_unregister_yank(p->c);
-        multifd_send_channel_destroy(p->c);
+        object_unref(OBJECT(p->c));
         p->c = NULL;
     }
     qemu_sem_destroy(&p->sem);
diff --git a/migration/socket.c b/migration/socket.c
index 3184c7c3c1..9ab89b1e08 100644
--- a/migration/socket.c
+++ b/migration/socket.c
@@ -60,13 +60,6 @@ QIOChannel *socket_send_channel_create_sync(Error **errp)
     return QIO_CHANNEL(sioc);
 }
 
-int socket_send_channel_destroy(QIOChannel *send)
-{
-    /* Remove channel */
-    object_unref(OBJECT(send));
-    return 0;
-}
-
 struct SocketConnectData {
     MigrationState *s;
     char *hostname;
-- 
2.43.0