vhost: fix log ctx signalling



The log eventfd signalling got put in dead code.
We didn't notice because qemu currently does polling
instead of eventfd select.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

parent ee05d693

drivers/vhost/vhost.c

+4 −3

Original line number	Diff line number	Diff line
		@@ -858,11 +858,12 @@ int vhost_log_write(struct vhost_virtqueue vq, struct vhost_log log,
		if (r < 0)
		return r;
		len -= l;
		if (!len)
		return 0;
		}
		if (!len) {
		if (vq->log_ctx)
		eventfd_signal(vq->log_ctx, 1);
		return 0;
		}
		}
		/* Length written exceeds what we have stored. This is a bug. */
		BUG();
		return 0;