base-files: Fix IPv6 early sysctls again

* Kernel IPv6 /proc interface inconsistency caused races

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35417 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/base-files/Makefile

@@ -11,7 +11,7 @@ include $(INCLUDE_DIR)/kernel.mk
 include $(INCLUDE_DIR)/version.mk
 
 PKG_NAME:=base-files
-PKG_RELEASE:=130
+PKG_RELEASE:=131
 
 PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/
 PKG_BUILD_DEPENDS:=opkg/host

package/base-files/files/etc/init.d/boot

@@ -96,8 +96,12 @@ start() {
 		[ -n "$rootdev" ] && ln -s "$rootdev" /dev/root
 	}
 
-	# run early sysctl
-	[ -f /etc/sysctl_early.conf ] && sysctl -p /etc/sysctl_early.conf -e >&-
+	# early sysctl to avoid networking races
+	if [ -d /proc/sys/net/ipv6/conf ]; then
+		for i in /proc/sys/net/ipv6/conf/*/accept_ra; do
+			echo 0 > $i
+		done
+	fi
 }
 
 stop() {

package/base-files/files/etc/sysctl_early.conf

@@ -1,3 +0,0 @@
-# Avoid race-conditions with SLAAC
-net.ipv6.conf.default.accept_ra=0
-net.ipv6.conf.all.accept_ra=0