diff options
Diffstat (limited to 'hw')
-rw-r--r-- | hw/scsi/scsi-bus.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c index 00bddc9270..378bf4dfd1 100644 --- a/hw/scsi/scsi-bus.c +++ b/hw/scsi/scsi-bus.c @@ -1759,6 +1759,15 @@ void scsi_req_cancel_async(SCSIRequest *req, Notifier *notifier) if (notifier) { notifier_list_add(&req->cancel_notifiers, notifier); } + if (req->io_canceled) { + /* A blk_aio_cancel_async is pending; when it finishes, + * scsi_req_cancel_complete will be called and will + * call the notifier we just added. Just wait for that. + */ + assert(req->aiocb); + return; + } + /* Dropped in scsi_req_cancel_complete. */ scsi_req_ref(req); scsi_req_dequeue(req); req->io_canceled = true; @@ -1775,6 +1784,8 @@ void scsi_req_cancel(SCSIRequest *req) if (!req->enqueued) { return; } + assert(!req->io_canceled); + /* Dropped in scsi_req_cancel_complete. */ scsi_req_ref(req); scsi_req_dequeue(req); req->io_canceled = true; |