octeon: replace backticks by $(...)

[openwrt/staging/stintel.git] / target / linux / octeon / base-files / lib / upgrade / platform.sh

diff --git a/target/linux/octeon/base-files/lib/upgrade/platform.sh b/target/linux/octeon/base-files/lib/upgrade/platform.sh
index 6233c337bc092988a1948bd06ec51b7f0d542389..149c2fd955c0417d3fa790458d7f1e47a44b58c6 100755 (executable)
--- a/target/linux/octeon/base-files/lib/upgrade/platform.sh
+++ b/target/linux/octeon/base-files/lib/upgrade/platform.sh
@@ -25,7 +25,7 @@ platform_copy_config() {
        case "$(board_name)" in
        erlite)
                mount -t vfat /dev/sda1 /mnt
-               cp -af "$CONF_TAR" "/mnt/$BACKUP_FILE"
+               cp -af "$UPGRADE_BACKUP" "/mnt/$BACKUP_FILE"
                umount /mnt
                ;;
        esac
@@ -85,8 +85,8 @@ platform_check_image() {
        er | \
        erlite)
                local tar_file="$1"
-               local kernel_length=`(tar xf $tar_file sysupgrade-$board/kernel -O | wc -c) 2> /dev/null`
-               local rootfs_length=`(tar xf $tar_file sysupgrade-$board/root -O | wc -c) 2> /dev/null`
+               local kernel_length=$((tar xf $tar_file sysupgrade-$board/kernel -O | wc -c) 2> /dev/null)
+               local rootfs_length=$((tar xf $tar_file sysupgrade-$board/root -O | wc -c) 2> /dev/null)
                [ "$kernel_length" = 0 -o "$rootfs_length" = 0 ] && {
                        echo "The upgrade image is corrupt."
                        return 1