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[PATCH v3 4/6] migration/tls: extract cleanup function for common-use


From: Chuan Zheng
Subject: [PATCH v3 4/6] migration/tls: extract cleanup function for common-use
Date: Sun, 13 Sep 2020 10:47:34 +0800

multifd channel cleanup is need if multifd handshake failed,
let's extract it.

Signed-off-by: Chuan Zheng <zhengchuan@huawei.com>
Signed-off-by: Yan Jin <jinyan12@huawei.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
---
 migration/multifd.c | 34 ++++++++++++++++++++++------------
 1 file changed, 22 insertions(+), 12 deletions(-)

diff --git a/migration/multifd.c b/migration/multifd.c
index 3e41d9e..fe08911 100644
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -720,6 +720,23 @@ out:
     return NULL;
 }
 
+static void multifd_new_send_channel_cleanup(MultiFDSendParams *p,
+                                             QIOChannel *ioc, Error *err)
+{
+     migrate_set_error(migrate_get_current(), err);
+     /* Error happen, we need to tell who pay attention to me */
+     qemu_sem_post(&multifd_send_state->channels_ready);
+     qemu_sem_post(&p->sem_sync);
+     /*
+      * Although multifd_send_thread is not created, but main migration
+      * thread neet to judge whether it is running, so we need to mark
+      * its status.
+      */
+     p->quit = true;
+     object_unref(OBJECT(ioc));
+     error_free(err);
+}
+
 static void multifd_new_send_channel_async(QIOTask *task, gpointer opaque)
 {
     MultiFDSendParams *p = opaque;
@@ -728,25 +745,18 @@ static void multifd_new_send_channel_async(QIOTask *task, 
gpointer opaque)
 
     trace_multifd_new_send_channel_async(p->id);
     if (qio_task_propagate_error(task, &local_err)) {
-        migrate_set_error(migrate_get_current(), local_err);
-        /* Error happen, we need to tell who pay attention to me */
-        qemu_sem_post(&multifd_send_state->channels_ready);
-        qemu_sem_post(&p->sem_sync);
-        /*
-         * Although multifd_send_thread is not created, but main migration
-         * thread neet to judge whether it is running, so we need to mark
-         * its status.
-         */
-        p->quit = true;
-        object_unref(OBJECT(sioc));
-        error_free(local_err);
+        goto cleanup;
     } else {
         p->c = QIO_CHANNEL(sioc);
         qio_channel_set_delay(p->c, false);
         p->running = true;
         qemu_thread_create(&p->thread, p->name, multifd_send_thread, p,
                            QEMU_THREAD_JOINABLE);
+        return;
     }
+
+cleanup:
+    multifd_new_send_channel_cleanup(p, sioc, local_err);
 }
 
 int multifd_save_setup(Error **errp)
-- 
1.8.3.1




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