Commit b22ff1fb authored by Juan Quintela's avatar Juan Quintela
Browse files

migration: Only go to the iterate stage if there is anything to send


Signed-off-by: default avatarOrit Wasserman <owasserm@redhat.com>
Signed-off-by: default avatarJuan Quintela <quintela@redhat.com>
Reviewed-by: default avatarReviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent c369f40d
......@@ -698,7 +698,7 @@ static void *buffered_file_thread(void *opaque)
DPRINTF("iterate\n");
pending_size = qemu_savevm_state_pending(s->file, max_size);
DPRINTF("pending size %lu max %lu\n", pending_size, max_size);
if (pending_size >= max_size) {
if (pending_size && pending_size >= max_size) {
ret = qemu_savevm_state_iterate(s->file);
if (ret < 0) {
qemu_mutex_unlock_iothread();
......
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