vhost: don't open-code sockfd_put()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index e1e22e0..be414d2 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -818,9 +818,9 @@
 	vhost_dev_cleanup(&n->dev, false);
 	vhost_net_vq_reset(n);
 	if (tx_sock)
-		fput(tx_sock->file);
+		sockfd_put(tx_sock);
 	if (rx_sock)
-		fput(rx_sock->file);
+		sockfd_put(rx_sock);
 	/* Make sure no callbacks are outstanding */
 	synchronize_rcu_bh();
 	/* We do an extra flush before freeing memory,
@@ -860,7 +860,7 @@
 	}
 	return sock;
 err:
-	fput(sock->file);
+	sockfd_put(sock);
 	return ERR_PTR(r);
 }
 
@@ -966,7 +966,7 @@
 
 	if (oldsock) {
 		vhost_net_flush_vq(n, index);
-		fput(oldsock->file);
+		sockfd_put(oldsock);
 	}
 
 	mutex_unlock(&n->dev.mutex);
@@ -978,7 +978,7 @@
 	if (ubufs)
 		vhost_net_ubuf_put_wait_and_free(ubufs);
 err_ubufs:
-	fput(sock->file);
+	sockfd_put(sock);
 err_vq:
 	mutex_unlock(&vq->mutex);
 err:
@@ -1009,9 +1009,9 @@
 done:
 	mutex_unlock(&n->dev.mutex);
 	if (tx_sock)
-		fput(tx_sock->file);
+		sockfd_put(tx_sock);
 	if (rx_sock)
-		fput(rx_sock->file);
+		sockfd_put(rx_sock);
 	return err;
 }