base-files: comments

iopsys-brcm63xx-arm/base-files/lib/upgrade/iopsys-4-to-5-migrator.sh

@@ -816,7 +816,7 @@ nvram_old_convert() {
 
 	# Erase area where old nvram are stored.
 	if ! flash_erase "/dev/mtd0" $mtdEbSz 3 2>&1 | \
-			dd bs=1 skip=1 2>/dev/null | tr "\r" "\n"; then
+			dd bs=1 skip=1 2>/dev/null | tr "\r" "\n"; then						# Use dd to skip first empty line.
 		sleep 0.2
 		flash_erase -N "/dev/mtd0" $mtdEbSz 3 2>&1 | \
 			dd bs=1 skip=1 2>/dev/null | tr "\r" "\n"