The vdpa_reset() may fail now. This adds check to its return
value and fail the vhost_vdpa_open().
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20210831103634.33-7-xieyongji@bytedance.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
irq_bypass_unregister_producer(&vq->call_ctx.producer);
}
-static void vhost_vdpa_reset(struct vhost_vdpa *v)
+static int vhost_vdpa_reset(struct vhost_vdpa *v)
{
struct vdpa_device *vdpa = v->vdpa;
- vdpa_reset(vdpa);
v->in_batch = 0;
+
+ return vdpa_reset(vdpa);
}
static long vhost_vdpa_get_device_id(struct vhost_vdpa *v, u8 __user *argp)
return -EBUSY;
nvqs = v->nvqs;
- vhost_vdpa_reset(v);
+ r = vhost_vdpa_reset(v);
+ if (r)
+ goto err;
vqs = kmalloc_array(nvqs, sizeof(*vqs), GFP_KERNEL);
if (!vqs) {