[NET]: Sink IPv6 menuoptions into its own submenu

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/Kconfig

@@ -3,7 +3,7 @@
 #
 
 #   IPv6 as module will cause a CRASH if you try to unload it
-config IPV6
+menuconfig IPV6
 	tristate "The IPv6 protocol"
 	default m
 	---help---
@@ -19,9 +19,10 @@ config IPV6
 	  To compile this protocol support as a module, choose M here: the 
 	  module will be called ipv6.
 
+if IPV6
+
 config IPV6_PRIVACY
 	bool "IPv6: Privacy Extensions support"
-	depends on IPV6
 	---help---
 	  Privacy Extensions for Stateless Address Autoconfiguration in IPv6
 	  support.  With this option, additional periodically-alter 
@@ -40,7 +41,6 @@ config IPV6_PRIVACY
 
 config IPV6_ROUTER_PREF
 	bool "IPv6: Router Preference (RFC 4191) support"
-	depends on IPV6
 	---help---
 	  Router Preference is an optional extension to the Router
 	  Advertisement message to improve the ability of hosts
@@ -59,7 +59,7 @@ config IPV6_ROUTE_INFO
 
 config IPV6_OPTIMISTIC_DAD
 	bool "IPv6: Enable RFC 4429 Optimistic DAD (EXPERIMENTAL)"
-	depends on IPV6 && EXPERIMENTAL
+	depends on EXPERIMENTAL
 	---help---
 	  This is experimental support for optimistic Duplicate
 	  Address Detection.  It allows for autoconfigured addresses
@@ -69,7 +69,6 @@ config IPV6_OPTIMISTIC_DAD
 
 config INET6_AH
 	tristate "IPv6: AH transformation"
-	depends on IPV6
 	select XFRM
 	select CRYPTO
 	select CRYPTO_HMAC
@@ -82,7 +81,6 @@ config INET6_AH
 
 config INET6_ESP
 	tristate "IPv6: ESP transformation"
-	depends on IPV6
 	select XFRM
 	select CRYPTO
 	select CRYPTO_AUTHENC
@@ -98,7 +96,6 @@ config INET6_ESP
 
 config INET6_IPCOMP
 	tristate "IPv6: IPComp transformation"
-	depends on IPV6
 	select XFRM
 	select INET6_XFRM_TUNNEL
 	select CRYPTO
@@ -111,7 +108,7 @@ config INET6_IPCOMP
 
 config IPV6_MIP6
 	tristate "IPv6: Mobility (EXPERIMENTAL)"
-	depends on IPV6 && EXPERIMENTAL
+	depends on EXPERIMENTAL
 	select XFRM
 	---help---
 	  Support for IPv6 Mobility described in RFC 3775.
@@ -129,7 +126,6 @@ config INET6_TUNNEL
 
 config INET6_XFRM_MODE_TRANSPORT
 	tristate "IPv6: IPsec transport mode"
-	depends on IPV6
 	default IPV6
 	select XFRM
 	---help---
@@ -139,7 +135,6 @@ config INET6_XFRM_MODE_TRANSPORT
 
 config INET6_XFRM_MODE_TUNNEL
 	tristate "IPv6: IPsec tunnel mode"
-	depends on IPV6
 	default IPV6
 	select XFRM
 	---help---
@@ -149,7 +144,6 @@ config INET6_XFRM_MODE_TUNNEL
 
 config INET6_XFRM_MODE_BEET
 	tristate "IPv6: IPsec BEET mode"
-	depends on IPV6
 	default IPV6
 	select XFRM
 	---help---
@@ -159,14 +153,13 @@ config INET6_XFRM_MODE_BEET
 
 config INET6_XFRM_MODE_ROUTEOPTIMIZATION
 	tristate "IPv6: MIPv6 route optimization mode (EXPERIMENTAL)"
-	depends on IPV6 && EXPERIMENTAL
+	depends on EXPERIMENTAL
 	select XFRM
 	---help---
 	  Support for MIPv6 route optimization mode.
 
 config IPV6_SIT
 	tristate "IPv6: IPv6-in-IPv4 tunnel (SIT driver)"
-	depends on IPV6
 	select INET_TUNNEL
 	select IPV6_NDISC_NODETYPE
 	default y
@@ -185,7 +178,6 @@ config IPV6_NDISC_NODETYPE
 config IPV6_TUNNEL
 	tristate "IPv6: IP-in-IPv6 tunnel (RFC2473)"
 	select INET6_TUNNEL
-	depends on IPV6
 	---help---
 	  Support for IPv6-in-IPv6 and IPv4-in-IPv6 tunnels described in
 	  RFC 2473.
@@ -194,7 +186,7 @@ config IPV6_TUNNEL
 
 config IPV6_MULTIPLE_TABLES
 	bool "IPv6: Multiple Routing Tables"
-	depends on IPV6 && EXPERIMENTAL
+	depends on EXPERIMENTAL
 	select FIB_RULES
 	---help---
 	  Support multiple routing tables.
@@ -227,3 +219,4 @@ config IPV6_PIMSM_V2
 	  Support for IPv6 PIM multicast routing protocol PIM-SMv2.
 	  If unsure, say N.
 
+endif # IPV6