Bring back code creating zeroed files for WiFi-only devices

msm-cros-efs-loader.sh

@@ -49,6 +49,21 @@ load_old_fsg_size() {
 							tr -d '\n\0' | grep -a -E '^[0-9]{4,}$')"
 	: "${fsg_size:=0}"
 }
+# Create empty files for WiFi-only devices
+create_empty_files() {
+	echo "INFO: Creating empty files"
+
+	if [ ! -d "$RMTFS_DIR" ]; then
+		mkdir -p "$RMTFS_DIR"
+	fi
+
+	for i in fs1 fs2 fsg fsc; do
+		file="$RMTFS_DIR/modem_$i"
+		if [ ! -f "$file" ]; then
+			dd if=/dev/zero bs=1M count=2 of="$file"
+		fi
+	done
+}
 # Read the FSG out of the eMMC boot partition.
 reload_fsg() {
 	local fsg_header
@@ -70,7 +85,8 @@ reload_fsg() {
 	# Wifi-only SKUs will land here the first time through.
 	if [ "${fsg_size}" -eq 0 ]; then
 		echo "INFO: No LTE FSG found."
-		return 1
+		create_empty_files
+		return 0
 	fi
 	echo "INFO: Reloading FSG"
 	if [ "${fsg_size}" -gt 4193792 ]; then