remove bits for ancient Linux 2.6.x kernels

Signed-off-by: Daniel Lenski <dlenski@gmail.com>

diff --git a/vpnc-script b/vpnc-script
index 2f1f044431679193ddd25f8fd35980e47ccb1be6..97228319241d55c14711acf9281d0d5a7d472d94 100755 (executable)
--- a/vpnc-script
+++ b/vpnc-script
@@ -917,28 +917,12 @@ restore_resolvconf_unbound() {
 
 # ========= Toplevel state handling  =======================================
 
-kernel_is_2_6_or_above() {
-       case `uname -r` in
-               1.*|2.[012345]*)
-                       return 1
-                       ;;
-               *)
-                       return 0
-                       ;;
-       esac
-}
-
 do_pre_init() {
        if [ "$OS" = "Linux" ]; then
                if (exec 6< /dev/net/tun) > /dev/null 2>&1 ; then
                        :
                else # can't open /dev/net/tun
                        test -e /proc/sys/kernel/modprobe && `cat /proc/sys/kernel/modprobe` tun 2>/dev/null
-                       # fix for broken devfs in kernel 2.6.x
-                       if [ "`readlink /dev/net/tun`" = misc/net/tun \
-                               -a ! -e /dev/net/misc/net/tun -a -e /dev/misc/net/tun ] ; then
-                               ln -sf /dev/misc/net/tun /dev/net/tun
-                       fi
                        # make sure tun device exists
                        if [ ! -e /dev/net/tun ]; then
                                mkdir -p /dev/net
@@ -946,12 +930,10 @@ do_pre_init() {
                                [ -x /sbin/restorecon ] && /sbin/restorecon /dev/net/tun
                        fi
                        # workaround for a possible latency caused by udev, sleep max. 10s
-                       if kernel_is_2_6_or_above ; then
-                               for x in `seq 100` ; do
-                                       (exec 6<> /dev/net/tun) > /dev/null 2>&1 && break;
-                                       sleep 0.1
-                               done
-                       fi
+                       for x in $(seq 100) ; do
+                               (exec 6<> /dev/net/tun) > /dev/null 2>&1 && break;
+                               sleep 0.1
+                       done
                fi
        elif [ "$OS" = "FreeBSD" -o "$OS" = "DragonFly" ]; then
                if ! ifconfig $TUNDEV > /dev/null; then