[PATCH] init.d debian patch

I dualboot between 2.4.x and 2.6.x right now, and although I
want udev to start up when 2.6 is booting, I don't want it to try when
2.4.x is booting.

This is a small patch to not start up udev if sysfs is not
mounted.

etc/init.d/udev.debian

@@ -61,7 +61,8 @@ case "$1" in
 	if [ ! -d $udev_dir ]; then
 		mkdir $udev_dir
 	fi
-	if [ ! -d $sysfs_dir ]; then
+	# don't use udev if sysfs is not mounted
+	if [ ! -d $sysfs_dir/block ]; then
 		exit 1
 	fi
 	# propogate /udev from /sys - we only need this while we do not