[NET]: Makefile cleanups for net/.

net/bridge/Makefile

@@ -4,12 +4,10 @@
 
 obj-$(CONFIG_BRIDGE) += bridge.o
 
-bridge-objs	:= br.o br_device.o br_fdb.o br_forward.o br_if.o br_input.o \
+bridge-y	:= br.o br_device.o br_fdb.o br_forward.o br_if.o br_input.o \
 			br_ioctl.o br_notify.o br_stp.o br_stp_bpdu.o \
 			br_stp_if.o br_stp_timer.o
 
-ifeq ($(CONFIG_NETFILTER),y)
-bridge-objs	+= br_netfilter.o
-endif
+bridge-$(CONFIG_NETFILTER)	+= br_netfilter.o
 
 obj-$(CONFIG_BRIDGE_NF_EBTABLES) += netfilter/

net/core/Makefile

@@ -4,13 +4,9 @@
 
 obj-y := sock.o skbuff.o iovec.o datagram.o scm.o
 
-ifeq ($(CONFIG_SYSCTL),y)
-ifeq ($(CONFIG_NET),y)
-obj-y += sysctl_net_core.o
-endif
-endif
+obj-$(CONFIG_SYSCTL) += sysctl_net_core.o
 
-obj-$(CONFIG_NET) += flow.o dev.o net-sysfs.o dev_mcast.o dst.o neighbour.o \
+obj-y		     += flow.o dev.o net-sysfs.o dev_mcast.o dst.o neighbour.o \
 			rtnetlink.o utils.o link_watch.o filter.o
 
 obj-$(CONFIG_NETFILTER) += netfilter.o

net/rxrpc/Makefile

@@ -2,7 +2,7 @@
 # Makefile for Linux kernel Rx RPC
 #
 
-rxrpc-objs := \
+rxrpc-y := \
 	call.o \
 	connection.o \
 	krxiod.o \
@@ -13,11 +13,7 @@ rxrpc-objs := \
 	rxrpc_syms.o \
 	transport.o
 
-ifeq ($(CONFIG_PROC_FS),y)
-rxrpc-objs += proc.o
-endif
-ifeq ($(CONFIG_SYSCTL),y)
-rxrpc-objs += sysctl.o
-endif
+rxrpc-$(CONFIG_PROC_FS) += proc.o
+rxrpc-$(CONFIG_SYSCTL)  += sysctl.o
 
 obj-$(CONFIG_RXRPC) := rxrpc.o