From: Michael S. Tsirkin <mst@redhat.com>
Date: Wed, 6 Oct 2010 13:20:28 +0000 (+0200)
Subject: vhost: error code
X-Git-Tag: v0.13.0~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=da5aeb8aeba90bcf33b9ccb89cfee20e04fd6eca;p=thirdparty%2Fqemu.git

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)
---

diff --git a/hw/vhost.c b/hw/vhost.c
index f6689a7b99d..3dc56d2c9e0 100644
--- a/hw/vhost.c
+++ b/hw/vhost.c
@@ -517,12 +517,14 @@ static int vhost_virtqueue_init(struct vhost_dev *dev,
     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;
     }