Index: udev/trunk/udev.install
===================================================================
--- udev/trunk/udev.install	(revision 89998)
+++ udev/trunk/udev.install	(working copy)
@@ -19,9 +19,18 @@
   ROOTDIR=""
   [ "$(stat -c %D /)" != "$(stat -c %D /dev)" ] && ROOTDIR=$(mktemp -d /tmp/udevinstall.XXXXXX)
   [ -n "${ROOTDIR}" ] && mount --bind / ${ROOTDIR}
-  [ -c ${ROOTDIR}/dev/console ] || mknod -m600 ${ROOTDIR}/dev/console c 5 1
-  [ -c ${ROOTDIR}/dev/null ]    || mknod -m644 ${ROOTDIR}/dev/null c 1 3
-  [ -c ${ROOTDIR}/dev/zero ]    || mknod -m644 ${ROOTDIR}/dev/zero c 1 5
+  if [ ! -c ${ROOTDIR}/dev/console ]; then
+    rm -f ${ROOTDIR}/dev/console
+    mknod -m600 ${ROOTDIR}/dev/console c 5 1
+  fi
+  if [ ! -c ${ROOTDIR}/dev/null ]; then
+    rm -f ${ROOTDIR}/dev/null
+    mknod -m644 ${ROOTDIR}/dev/null c 1 3
+  fi
+  if [ ! -c ${ROOTDIR}/dev/zero ]; then
+    rm ${ROOTDIR}/dev/zero
+    mknod -m644 ${ROOTDIR}/dev/zero c 1 5
+  fi
   if [ -n "${ROOTDIR}" ]; then
     umount ${ROOTDIR}
     rmdir ${ROOTDIR}