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mediatek: mt7622: bpi-r64: fix sysupgrade on empty disk

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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: maurerr <mariusd84@gmail.com>
This commit is contained in:
Daniel Golle 2021-03-01 19:31:51 +00:00 committed by maurerr
parent 2adc08b86e
commit ed61f5d909
1 changed files with 8 additions and 1 deletions
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9
target/linux/mediatek/mt7622/base-files/lib/upgrade/platform.sh
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@ -16,6 +16,13 @@ get_rootdev() {
local rootvol rootdev
rootvol=$(get_cmdline_var root)
rootvol=$(basename $rootvol)
[ -e /sys/class/block/$rootvol ] || {
rootvol=${rootvol%%[0-9]}
[ -e /sys/class/block/$rootvol ] && echo $rootvol
rootvol=${rootvol%%p}
[ -e /sys/class/block/$rootvol ] && echo $rootvol
return
}
[ -e /sys/class/block/$rootvol/partition ] || {
echo $rootvol
return
@ -89,13 +96,13 @@ platform_check_image() {
}
platform_copy_config_mmc() {
[ -e "$UPGRADE_BACKUP" ] || return
local rootdev=$(cat /tmp/sysupgrade.rootdev)
blockdev --rereadpt /dev/$rootdev
local datadev=$(get_partition $rootdev rootfs_data)
[ "$datadev" ] || echo "no rootfs_data partition, cannot keep configuration." >&2
dd if="$UPGRADE_BACKUP" of=/dev/$datadev
sync
sleep 4
}
platform_copy_config() {