commit da5aeb8aeba90bcf33b9ccb89cfee20e04fd6eca
author Michael S. Tsirkin <mst@redhat.com> Wed Oct 06 15:20:28 2010 +0200
committer Anthony Liguori <aliguori@us.ibm.com> Tue Oct 12 16:10:00 2010 -0500
tree 4dab85a40dc38e0f34096cf3a8b19eb581b43718
parent 7c763827a58ad8a399ff22b6f9f0e1a825e58bd1

vhost: error code

fix up errors returned to include errno, not just -1

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit c885212109b0ad79888ced410c2ff0d0e883cb15)

hw/vhost.c

diff --git a/hw/vhost.c b/hw/vhost.c
index f6689a7..3dc56d2 100644
--- a/hw/vhost.c
+++ b/hw/vhost.c
@@ -517,12 +517,14 @@
     file.fd = event_notifier_get_fd(virtio_queue_get_host_notifier(vvq));
     r = ioctl(dev->control, VHOST_SET_VRING_KICK, &file);
     if (r) {
+        r = -errno;
         goto fail_kick;
     }
 
     file.fd = event_notifier_get_fd(virtio_queue_get_guest_notifier(vvq));
     r = ioctl(dev->control, VHOST_SET_VRING_CALL, &file);
     if (r) {
+        r = -errno;
         goto fail_call;
     }