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x86: upgrade: use get_image_dd

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Ref: https://bugs.openwrt.org/index.php?do=details&task_id=3140
Reported-by: Philip Prindeville <philipp@redfish-solutions.com>
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
Reviewed-By: Philip Prindeville <philipp@redfish-solutions.com>
This commit is contained in:
Yousong Zhou 2020-11-03 11:39:59 +08:00
parent 31a34076ed
commit 2e34cfbca7
1 changed files with 5 additions and 5 deletions
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10
target/linux/x86/base-files/lib/upgrade/platform.sh
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@ -20,7 +20,7 @@ platform_check_image() {
get_partitions "/dev/$diskdev" bootdisk
#extract the boot sector from the image
get_image "$@" | dd of=/tmp/image.bs count=63 bs=512b 2>/dev/null
get_image_dd "$1" of=/tmp/image.bs count=63 bs=512b
get_partitions /tmp/image.bs image
@ -83,7 +83,7 @@ platform_do_upgrade() {
get_partitions "/dev/$diskdev" bootdisk
#extract the boot sector from the image
get_image "$@" | dd of=/tmp/image.bs count=63 bs=512b >/dev/null
get_image_dd "$1" of=/tmp/image.bs count=63 bs=512b
get_partitions /tmp/image.bs image
@ -94,7 +94,7 @@ platform_do_upgrade() {
fi
if [ -n "$diff" ]; then
get_image "$@" | dd of="/dev/$diskdev" bs=4096 conv=fsync
get_image_dd "$1" of="/dev/$diskdev" bs=4096 conv=fsync
# Separate removal and addtion is necessary; otherwise, partition 1
# will be missing if it overlaps with the old partition 2
@ -108,7 +108,7 @@ platform_do_upgrade() {
while read part start size; do
if export_partdevice partdev $part; then
v "Writing image to /dev/$partdev..."
get_image "$@" | dd of="/dev/$partdev" ibs=512 obs=1M skip="$start" count="$size" conv=fsync
get_image_dd "$1" of="/dev/$partdev" ibs=512 obs=1M skip="$start" count="$size" conv=fsync
else
v "Unable to find partition $part device, skipped."
fi
@ -116,7 +116,7 @@ platform_do_upgrade() {
#copy partition uuid
v "Writing new UUID to /dev/$diskdev..."
get_image "$@" | dd of="/dev/$diskdev" bs=1 skip=440 count=4 seek=440 conv=fsync
get_image_dd "$1" of="/dev/$diskdev" bs=1 skip=440 count=4 seek=440 conv=fsync
platform_do_bootloader_upgrade "$diskdev"
local parttype=ext4