sunrpc: Factor out rpc_xprt freeing

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 26cbe21..0637340 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -984,6 +984,13 @@
 }
 EXPORT_SYMBOL_GPL(xprt_alloc);
 
+void xprt_free(struct rpc_xprt *xprt)
+{
+	kfree(xprt->slot);
+	kfree(xprt);
+}
+EXPORT_SYMBOL_GPL(xprt_free);
+
 /**
  * xprt_reserve - allocate an RPC request slot
  * @task: RPC task requesting a slot allocation