Allow routerboard users to kexec into the newly installed kernel if kexec-tools is installed

SVN-Revision: 12286

target/linux/rb532/base-files/sbin/wget2nand

@@ -55,6 +55,12 @@ echo "chmod ugo+x /" > /tmp/wget2nand/etc/uci-defaults/set_root_permission
 sync
 ls /tmp/wget2nand-boot/
 ls /tmp/wget2nand/
+# use kexec if present
+[ -x /usr/bin/kexec ] && {
+	kexec -l /tmp/wget2nand-boot/kernel --command-line="$(cat /proc/cmdline) root=$main rootfstype=yaffs2 init=/etc/preinit"
+	kexec -e
+}
+
 # unmount the partitions and remove the directories into which they were mounted
 umount /tmp/wget2nand-boot
 umount /tmp/wget2nand