netlink: Move netlink attribute parsing support to lib

Netlink attribute parsing may be used even if CONFIG_NET is not set. Move it from net/netlink to lib and control its inclusion based on the new config symbol CONFIG_NLATTR, which is selected by CONFIG_NET. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
git-mirror · Mar 4, 2009 · e9cc8bd · e9cc8bd
1 parent 8c882f6
commit e9cc8bd
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Showing 5 changed files with 10 additions and 1 deletion.
diff --git a/lib/Kconfig b/lib/Kconfig
@@ -174,4 +174,10 @@ config DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
        bool "Disable obsolete cpumask functions" if DEBUG_PER_CPU_MAPS
        depends on EXPERIMENTAL && BROKEN
 
+#
+# Netlink attribute parsing support is select'ed if needed
+#
+config NLATTR
+	bool
+
 endmenu
diff --git a/lib/Makefile b/lib/Makefile
@@ -84,6 +84,8 @@ obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o
 
 obj-$(CONFIG_DYNAMIC_PRINTK_DEBUG) += dynamic_printk.o
 
+obj-$(CONFIG_NLATTR) += nlattr.o
+
 hostprogs-y	:= gen_crc32table
 clean-files	:= crc32table.h
 

diff --git a/net/netlink/attr.c → lib/nlattr.c b/net/netlink/attr.c → lib/nlattr.c
diff --git a/net/Kconfig b/net/Kconfig
@@ -4,6 +4,7 @@
 
 menuconfig NET
 	bool "Networking support"
+	select NLATTR
 	---help---
 	  Unless you really know what you are doing, you should say Y here.
 	  The reason is that some programs need kernel networking support even

diff --git a/net/netlink/Makefile b/net/netlink/Makefile
@@ -2,4 +2,4 @@
 # Makefile for the netlink driver.
 #
 
-obj-y  				:= af_netlink.o attr.o genetlink.o
+obj-y  				:= af_netlink.o genetlink.o