diff options
Diffstat (limited to 'openwrt/package/base-files/default/sbin/mount_root')
| -rwxr-xr-x | openwrt/package/base-files/default/sbin/mount_root | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/openwrt/package/base-files/default/sbin/mount_root b/openwrt/package/base-files/default/sbin/mount_root index bc8d69c79..c8edaaa2f 100755 --- a/openwrt/package/base-files/default/sbin/mount_root +++ b/openwrt/package/base-files/default/sbin/mount_root @@ -1,10 +1,15 @@ #!/bin/sh . /etc/nvram.sh +is_clean() { + OFFSET="$((0x$(dd if=/dev/mtdblock/1 bs=1 skip=$((0x14)) count=2 2>&- | hexdump | grep 0000000 | cut -d ' ' -f 2) - 1))" + dd if=/dev/mtdblock/1 bs=1 skip=$OFFSET count=1 2>&- | hexdump -v | grep ' 0000' > /dev/null && return 255 || return 0 +} + if [ "$1" != "failsafe" ]; then mount | grep jffs2 >&- if [ $? = 0 ] ; then if [ $(cat /proc/mtd | wc -l) = 6 ]; then - [ -f /proc/sys/diag ] && echo 5 > /proc/sys/diag + echo 5 > /proc/sys/diag mtd unlock linux mtd erase OpenWrt jffs2root --move @@ -13,7 +18,11 @@ if [ "$1" != "failsafe" ]; then mount -o remount,rw /dev/root / fi else - if [ \! -x /usr/sbin/nvram -o -z "$(nvram get no_root_swap)" ]; then + if [ -z "$(nvram get no_root_swap)" ]; then + is_clean || { + mtd erase OpenWrt + jffs2root --clean + } mtd unlock OpenWrt mount -t jffs2 /dev/mtdblock/4 /jffs pivot_root /jffs /jffs/rom |