From: Ben Hutchings <ben@decadent.org.uk>
Subject: usbip: Document TCP wrappers

Add references to TCP wrappers configuration in the manual page.

--- a/drivers/staging/usbip/userspace/doc/usbipd.8
+++ b/drivers/staging/usbip/userspace/doc/usbipd.8
@@ -14,7 +14,8 @@
 before usbipd makes them available to other hosts.
 
 The daemon accepts connections from USB/IP clients
-on TCP port 3240.
+on TCP port 3240.  The clients authorised to connect may be
+configured as documented in hosts_access(5).
 
 .SH OPTIONS
 .HP
@@ -39,7 +40,8 @@
 
 .B usbipd
 offers no authentication or authorization for USB/IP. Any
-USB/IP client can connect and use exported devices.
+USB/IP client running on an authorised host can connect and
+use exported devices.
 
 .SH EXAMPLES