vhost: Fix vhostfd leak in error branch

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 1417166789-1960-1-git-send-email-arei.gonglei@huawei.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

hw/scsi/vhost-scsi.c

diff --git a/hw/scsi/vhost-scsi.c b/hw/scsi/vhost-scsi.c
index 308b393..dcb2bc5 100644
--- a/hw/scsi/vhost-scsi.c
+++ b/hw/scsi/vhost-scsi.c
@@ -233,6 +233,7 @@
                                vhost_dummy_handle_output);
     if (err != NULL) {
         error_propagate(errp, err);
+        close(vhostfd);
         return;
     }
 

hw/virtio/vhost.c

diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 5d7c40a..5a12861 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -817,10 +817,12 @@
     int i, r;
 
     if (vhost_set_backend_type(hdev, backend_type) < 0) {
+        close((uintptr_t)opaque);
         return -1;
     }
 
     if (hdev->vhost_ops->vhost_backend_init(hdev, opaque) < 0) {
+        close((uintptr_t)opaque);
         return -errno;
     }