diff --git a/util/chromeos/crosfirmware.sh b/util/chromeos/crosfirmware.sh
index 455e7b15ff..3d0f0612f8 100755
--- a/util/chromeos/crosfirmware.sh
+++ b/util/chromeos/crosfirmware.sh
@@ -28,93 +28,88 @@ exit_if_dependencies_are_missing() {
 	exit_if_uninstalled "unzip" "unzip"
 }
 
-get_inventory()
-{
+get_inventory() {
 	_conf=$1
 	_url=https://dl.google.com/dl/edgedl/chromeos/recovery/recovery.conf
 
 	echo "Downloading recovery image inventory..."
 
-	curl -s "$_url" > $_conf
+	curl -s "$_url" >$_conf
 }
 
-download_image()
-{
+download_image() {
 	_url=$1
 	_file=$2
 
 	echo "Downloading recovery image"
-	curl "$_url" > "$_file.zip"
+	curl "$_url" >"$_file.zip"
 	echo "Decompressing recovery image"
 	unzip -q "$_file.zip"
 	rm "$_file.zip"
 }
 
-extract_partition()
-{
+extract_partition() {
 	NAME=$1
 	FILE=$2
 	ROOTFS=$3
 	_bs=1024
 
 	echo "Extracting ROOT-A partition"
-	ROOTP=$( printf "unit\nB\nprint\nquit\n" | \
-		 parted $FILE 2>/dev/null | grep $NAME )
+	ROOTP=$(printf "unit\nB\nprint\nquit\n" |
+		parted $FILE 2>/dev/null | grep $NAME)
 
 	if [ "$ROOTP" == "" ]; then
 		# Automatic extraction failed, likely due to parted detecting
 		# overlapping partitions. Fall back to using fdisk and assume
 		# ROOT-A is partition #3
 		echo "(Extracting via parted failed; falling back to fdisk)"
-		_ssize=$(printf "p q" | fdisk $FILE | grep "Sector size" | \
+		_ssize=$(printf "p q" | fdisk $FILE | grep "Sector size" |
 			cut -f2 -d: | cut -f2 -d ' ')
-		_start=$(printf "p q" | fdisk $FILE | grep "bin3" | tr -s ' ' | \
+		_start=$(printf "p q" | fdisk $FILE | grep "bin3" | tr -s ' ' |
 			cut -f2 -d ' ')
-		_nsec=$(printf "p q" | fdisk $FILE | grep "bin3" | tr -s ' ' | \
+		_nsec=$(printf "p q" | fdisk $FILE | grep "bin3" | tr -s ' ' |
 			cut -f4 -d ' ')
 		START=$(($_ssize * $_start))
 		SIZE=$(($_ssize * $_nsec))
 	else
-		START=$(( $( echo $ROOTP | cut -f2 -d\ | tr -d "B" ) ))
-		SIZE=$(( $( echo $ROOTP | cut -f4 -d\ | tr -d "B" ) ))
+		START=$(($(echo $ROOTP | cut -f2 -d\  | tr -d "B")))
+		SIZE=$(($(echo $ROOTP | cut -f4 -d\  | tr -d "B")))
 	fi
 
-	dd if=$FILE of=$ROOTFS bs=$_bs skip=$(( $START / $_bs )) \
-		count=$(( $SIZE / $_bs ))  > /dev/null 2>&1
+	dd if=$FILE of=$ROOTFS bs=$_bs skip=$(($START / $_bs)) \
+		count=$(($SIZE / $_bs)) >/dev/null 2>&1
 }
 
-extract_shellball()
-{
+extract_shellball() {
 	ROOTFS=$1
 	SHELLBALL=$2
 
 	echo "Extracting chromeos-firmwareupdate"
-	printf "cd /usr/sbin\ndump chromeos-firmwareupdate $SHELLBALL\nquit" | \
-		debugfs $ROOTFS > /dev/null 2>&1
+	printf "cd /usr/sbin\ndump chromeos-firmwareupdate $SHELLBALL\nquit" |
+		debugfs $ROOTFS >/dev/null 2>&1
 }
 
-extract_coreboot()
-{
+extract_coreboot() {
 	_shellball=$1
-	_unpacked=$( mktemp -d )
+	_unpacked=$(mktemp -d)
 
 	echo "Extracting coreboot image"
-	if ! sh $_shellball --unpack $_unpacked > /dev/null 2>&1; then
-		sh $_shellball --sb_extract $_unpacked > /dev/null 2>&1
+	if ! sh $_shellball --unpack $_unpacked >/dev/null 2>&1; then
+		sh $_shellball --sb_extract $_unpacked >/dev/null 2>&1
 	fi
 
 	if [ -d $_unpacked/models/ ]; then
-		_version=$( cat $_unpacked/VERSION | grep -m 1 -e Model.*$_board -A5 \
-			| grep "BIOS (RW) version:" | cut -f2 -d: | tr -d \  )
+		_version=$(cat $_unpacked/VERSION | grep -m 1 -e Model.*$_board -A5 |
+			grep "BIOS (RW) version:" | cut -f2 -d: | tr -d \ )
 		if [ "$_version" == "" ]; then
-			_version=$( cat $_unpacked/VERSION | grep -m 1 -e Model.*$_board -A5 \
-				| grep "BIOS version:" | cut -f2 -d: | tr -d \  )
+			_version=$(cat $_unpacked/VERSION | grep -m 1 -e Model.*$_board -A5 |
+				grep "BIOS version:" | cut -f2 -d: | tr -d \ )
 		fi
-		_bios_image=$(grep "IMAGE_MAIN" $_unpacked/models/$_board/setvars.sh \
-			| cut -f2 -d\")
+		_bios_image=$(grep "IMAGE_MAIN" $_unpacked/models/$_board/setvars.sh |
+			cut -f2 -d\")
 	else
-		_version=$( cat $_unpacked/VERSION | grep BIOS\ version: | \
-			cut -f2 -d: | tr -d \  )
+		_version=$(cat $_unpacked/VERSION | grep BIOS\ version: |
+			cut -f2 -d: | tr -d \ )
 		_bios_image=bios.bin
 	fi
 	if cp $_unpacked/$_bios_image coreboot-$_version.bin; then
@@ -124,8 +119,7 @@ extract_coreboot()
 	rm $_shellball
 }
 
-do_one_board()
-{
+do_one_board() {
 	_board=$1
 	_url=$2
 	_file=$3
@@ -148,25 +142,25 @@ BOARD=$1
 exit_if_dependencies_are_missing
 
 if [ "$BOARD" == "all" ]; then
-	CONF=$( mktemp )
+	CONF=$(mktemp)
 	get_inventory $CONF
 
-	grep ^name= $CONF| while read _line; do
-		name=$( echo $_line | cut -f2 -d= )
+	grep ^name= $CONF | while read _line; do
+		name=$(echo $_line | cut -f2 -d=)
 		echo Processing board $name
-		eval $( grep -v hwid= $CONF | grep -A11 "$_line" | \
-						grep '\(url=\|file=\)' )
-		BOARD=$( echo $url | cut -f3 -d_ )
+		eval $(grep -v hwid= $CONF | grep -A11 "$_line" |
+			grep '\(url=\|file=\)')
+		BOARD=$(echo $url | cut -f3 -d_)
 		do_one_board $BOARD $url $file
 	done
 
 	rm "$CONF"
 elif [ "$BOARD" != "" ]; then
-	CONF=$( mktemp )
+	CONF=$(mktemp)
 	get_inventory $CONF
 
 	echo Processing board $BOARD
-	eval $( grep -i $BOARD -A8 $CONF | grep '\(url=\|file=\)' )
+	eval $(grep -i $BOARD -A8 $CONF | grep '\(url=\|file=\)')
 	do_one_board $BOARD $url $file
 
 	rm "$CONF"