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net/colo-compare.c: Correct ordering in complete and finalize

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In colo_compare_complete, insert CompareState into net_compares
only after everything has been initialized.
In colo_compare_finalize, remove CompareState from net_compares
before anything is deinitialized.

Signed-off-by: Lukas Straub <lukasstraub2@web.de>
Reviewed-by: Zhang Chen <chen.zhang@intel.com>
Signed-off-by: Zhang Chen <chen.zhang@intel.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Lukas Straub 2020-05-22 15:53:56 +08:00 committed by Jason Wang
parent 45942b79b9
commit 5bd57eba04
1 changed files with 23 additions and 22 deletions
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45
net/colo-compare.c
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@ -1283,15 +1283,6 @@ static void colo_compare_complete(UserCreatable *uc, Error **errp)
s->vnet_hdr);
}
qemu_mutex_lock(&colo_compare_mutex);
if (!colo_compare_active) {
qemu_mutex_init(&event_mtx);
qemu_cond_init(&event_complete_cond);
colo_compare_active = true;
}
QTAILQ_INSERT_TAIL(&net_compares, s, next);
qemu_mutex_unlock(&colo_compare_mutex);
s->out_sendco.s = s;
s->out_sendco.chr = &s->chr_out;
s->out_sendco.notify_remote_frame = false;
@ -1314,6 +1305,16 @@ static void colo_compare_complete(UserCreatable *uc, Error **errp)
connection_destroy);
colo_compare_iothread(s);
qemu_mutex_lock(&colo_compare_mutex);
if (!colo_compare_active) {
qemu_mutex_init(&event_mtx);
qemu_cond_init(&event_complete_cond);
colo_compare_active = true;
}
QTAILQ_INSERT_TAIL(&net_compares, s, next);
qemu_mutex_unlock(&colo_compare_mutex);
return;
}
@ -1382,19 +1383,6 @@ static void colo_compare_finalize(Object *obj)
CompareState *s = COLO_COMPARE(obj);
CompareState *tmp = NULL;
qemu_chr_fe_deinit(&s->chr_pri_in, false);
qemu_chr_fe_deinit(&s->chr_sec_in, false);
qemu_chr_fe_deinit(&s->chr_out, false);
if (s->notify_dev) {
qemu_chr_fe_deinit(&s->chr_notify_dev, false);
}
if (s->iothread) {
colo_compare_timer_del(s);
}
qemu_bh_delete(s->event_bh);
qemu_mutex_lock(&colo_compare_mutex);
QTAILQ_FOREACH(tmp, &net_compares, next) {
if (tmp == s) {
@ -1409,6 +1397,19 @@ static void colo_compare_finalize(Object *obj)
}
qemu_mutex_unlock(&colo_compare_mutex);
qemu_chr_fe_deinit(&s->chr_pri_in, false);
qemu_chr_fe_deinit(&s->chr_sec_in, false);
qemu_chr_fe_deinit(&s->chr_out, false);
if (s->notify_dev) {
qemu_chr_fe_deinit(&s->chr_notify_dev, false);
}
if (s->iothread) {
colo_compare_timer_del(s);
}
qemu_bh_delete(s->event_bh);
AioContext *ctx = iothread_get_aio_context(s->iothread);
aio_context_acquire(ctx);
AIO_WAIT_WHILE(ctx, !s->out_sendco.done);