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mvebu: sysupgrade: remove redundant MBR check

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This is already done by get_partitions.

Signed-off-by: Tomasz Maciej Nowak <tmn505@gmail.com>
[add "redundant" to title, remove declaration of magic variable]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
This commit is contained in:
Tomasz Maciej Nowak 2020-11-25 17:33:34 +01:00 committed by Adrian Schmutzler
parent b9246bbdc9
commit f06adb64bf
1 changed files with 1 additions and 13 deletions
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14
target/linux/mvebu/base-files/lib/upgrade/sdcard.sh
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@ -1,18 +1,6 @@
get_magic_at() {
local file="$1"
local pos="$2"
get_image "$file" | dd bs=1 count=2 skip="$pos" 2>/dev/null | hexdump -v -n 2 -e '1/1 "%02x"'
}
platform_check_image_sdcard() {
local file="$1"
local magic diskdev partdev diff
magic=$(get_magic_at "$file" 510)
[ "$magic" != "55aa" ] && {
echo "Failed to verify MBR boot signature."
return 1
}
local diskdev partdev diff
export_bootdevice && export_partdevice diskdev 0 || {
echo "Unable to determine upgrade device"