@@ -1372,7 +1372,6 @@ static void migrate_fd_cleanup(void *opaque)
qemu_savevm_state_cleanup();
if (s->to_dst_file) {
- Error *local_err = NULL;
QEMUFile *tmp;
trace_migrate_fd_cleanup();
@@ -1382,10 +1381,6 @@ static void migrate_fd_cleanup(void *opaque)
s->migration_thread_running = false;
}
qemu_mutex_lock_iothread();
-
- if (multifd_save_cleanup(&local_err) != 0) {
- error_report_err(local_err);
- }
qemu_mutex_lock(&s->qemu_file_lock);
tmp = s->to_dst_file;
s->to_dst_file = NULL;
@@ -917,7 +917,7 @@ static void multifd_send_terminate_threads(Error *err)
}
}
-int multifd_save_cleanup(Error **errp)
+int multifd_save_cleanup(void)
{
int i;
int ret = 0;
@@ -1071,9 +1071,7 @@ static void multifd_new_send_channel_async(QIOTask *task, gpointer opaque)
Error *local_err = NULL;
if (qio_task_propagate_error(task, &local_err)) {
- if (multifd_save_cleanup(&local_err) != 0) {
- migrate_set_error(migrate_get_current(), local_err);
- }
+ migrate_set_error(migrate_get_current(), local_err);
} else {
p->c = QIO_CHANNEL(sioc);
qio_channel_set_delay(p->c, false);
@@ -2542,6 +2540,7 @@ static void ram_save_cleanup(void *opaque)
xbzrle_cleanup();
compress_threads_save_cleanup();
+ multifd_save_cleanup();
ram_state_cleanup(rsp);
}
@@ -43,7 +43,7 @@ uint64_t ram_bytes_remaining(void);
uint64_t ram_bytes_total(void);
int multifd_save_setup(void);
-int multifd_save_cleanup(Error **errp);
+int multifd_save_cleanup(void);
int multifd_load_setup(void);
int multifd_load_cleanup(Error **errp);
bool multifd_recv_all_channels_created(void);
Concurrent call of multifd_save_cleanup() is unsafe, it will lead to null pointer dereference. 'multifd_save_cleanup()' should not be called in multifd_new_send_channel_async(), move it to ram_save_cleanup() like other features do. Signed-off-by: Liang Li <liliangleo@didiglobal.com> --- migration/migration.c | 5 ----- migration/ram.c | 7 +++---- migration/ram.h | 2 +- 3 files changed, 4 insertions(+), 10 deletions(-)