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Diffstat (limited to 'hw/virtio/vhost-backend.c')
-rw-r--r--hw/virtio/vhost-backend.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/virtio/vhost-backend.c b/hw/virtio/vhost-backend.c
index f4f71cf58a..594d770b75 100644
--- a/hw/virtio/vhost-backend.c
+++ b/hw/virtio/vhost-backend.c
@@ -24,10 +24,12 @@ static int vhost_kernel_call(struct vhost_dev *dev, unsigned long int request,
void *arg)
{
int fd = (uintptr_t) dev->opaque;
+ int ret;
assert(dev->vhost_ops->backend_type == VHOST_BACKEND_TYPE_KERNEL);
- return ioctl(fd, request, arg);
+ ret = ioctl(fd, request, arg);
+ return ret < 0 ? -errno : ret;
}
static int vhost_kernel_init(struct vhost_dev *dev, void *opaque, Error **errp)