diff options
| -rw-r--r-- | nbd/common.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/nbd/common.c b/nbd/common.c index a44718ce58..8ddb2dd2f0 100644 --- a/nbd/common.c +++ b/nbd/common.c @@ -50,9 +50,12 @@ ssize_t nbd_wr_syncv(QIOChannel *ioc, * qio_channel_yield() that works with AIO contexts * and consider using that in this branch */ qemu_coroutine_yield(); - } else { + } else if (done) { + /* XXX this is needed by nbd_reply_ready. */ qio_channel_wait(ioc, do_read ? G_IO_IN : G_IO_OUT); + } else { + return -EAGAIN; } continue; } |