[PATCH 7/8] tegra: sysupgrade: use get_image_dd wrapper

Adrian Schmutzler mail at adrianschmutzler.de
Wed Nov 25 12:44:21 EST 2020


Hi,

> -----Original Message-----
> From: openwrt-devel [mailto:openwrt-devel-bounces at lists.openwrt.org]
> On Behalf Of Tomasz Maciej Nowak
> Sent: Mittwoch, 25. November 2020 17:34
> To: openwrt-devel at lists.openwrt.org
> Subject: [PATCH 7/8] tegra: sysupgrade: use get_image_dd wrapper
> 
> This function eliminates false-positive erros emited by dd. Also remove check
> for number of arguments, as that's not needed anymore.
> 
> Signed-off-by: Tomasz Maciej Nowak <tmn505 at gmail.com>
> ---
>  .../linux/tegra/base-files/lib/upgrade/platform.sh | 14 ++++++--------
>  1 file changed, 6 insertions(+), 8 deletions(-)
> 
> diff --git a/target/linux/tegra/base-files/lib/upgrade/platform.sh
> b/target/linux/tegra/base-files/lib/upgrade/platform.sh
> index 5c729de1a4b5..715d1c1b8046 100644
> --- a/target/linux/tegra/base-files/lib/upgrade/platform.sh
> +++ b/target/linux/tegra/base-files/lib/upgrade/platform.sh
> @@ -3,8 +3,6 @@ REQUIRE_IMAGE_METADATA=1
>  platform_check_image() {
>  	local diskdev partdev diff
> 
> -	[ "$#" -gt 1 ] && return 1
> -

I will merge this patch without the argument number change for now.

Please submit that one separately if the rest is in master.

Best

Adrian

>  	export_bootdevice && export_partdevice diskdev 0 || {
>  		v "Unable to determine upgrade device"
>  		return 1
> @@ -13,7 +11,7 @@ platform_check_image() {
>  	get_partitions "/dev/$diskdev" bootdisk
> 
>  	#extract the boot sector from the image
> -	get_image "$@" | dd of=/tmp/image.bs count=1 bs=512b
> 2>/dev/null
> +	get_image_dd "$1" of=/tmp/image.bs count=1 bs=512b
> 
>  	get_partitions /tmp/image.bs image
> 
> @@ -53,7 +51,7 @@ platform_do_upgrade() {
>  		get_partitions "/dev/$diskdev" bootdisk
> 
>  		#extract the boot sector from the image
> -		get_image "$@" | dd of=/tmp/image.bs count=1 bs=512b
> +		get_image_dd "$1" of=/tmp/image.bs count=1 bs=512b
> 
>  		get_partitions /tmp/image.bs image
> 
> @@ -64,7 +62,7 @@ platform_do_upgrade() {
>  	fi
> 
>  	if [ -n "$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 @@ -
> 75,12 +73,12 @@ platform_do_upgrade() {
>  	fi
> 
>  	#write uboot image
> -	get_image "$@" | dd of="$diskdev" bs=512 skip=1 seek=1
> count=4097 conv=fsync,notrunc
> +	get_image_dd "$1" of="$diskdev" bs=512 skip=1 seek=1 count=4097
> +conv=fsync,notrunc
>  	#iterate over each partition from the image and write it to the boot
> disk
>  	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 $part device, skipped."
>  		fi
> @@ -88,5 +86,5 @@ platform_do_upgrade() {
> 
>  	#copy partition uuid
>  	v "Writing new UUID to /dev/$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
>  }
> --
> 2.29.2
> 
> 
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