aboutsummaryrefslogtreecommitdiff
path: root/nbd/common.c
diff options
context:
space:
mode:
Diffstat (limited to 'nbd/common.c')
-rw-r--r--nbd/common.c5
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;
}