From 75bf195497f8cd25ac95b16a5afad26fe99ccc04 Mon Sep 17 00:00:00 2001
From: Robert Nelson <robertcnelson@gmail.com>
Date: Thu, 5 Jul 2012 16:35:32 -0500
Subject: [PATCH] bug: give up when drive comes up ro

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
---
 mk_mmc.sh | 31 +++++++++++++++++++++----------
 1 file changed, 21 insertions(+), 10 deletions(-)

diff --git a/mk_mmc.sh b/mk_mmc.sh
index 0a64cde..c319e96 100755
--- a/mk_mmc.sh
+++ b/mk_mmc.sh
@@ -990,20 +990,31 @@ function create_custom_netinstall_image {
 	extract_zimage
 }
 
+function drive_error_ro {
+	echo "-----------------------------"
+	echo "Error: for some reason your SD card is not writable..."
+	echo "Check: is the write protect lever set the locked position?"
+	echo "Check: do you have another SD card reader?"
+	echo "-----------------------------"
+	echo "Script gave up..."
+
+	exit
+}
+
 function unmount_all_drive_partitions {
- echo ""
- echo "Unmounting Partitions"
- echo "-----------------------------"
+	echo ""
+	echo "Unmounting Partitions"
+	echo "-----------------------------"
 
- NUM_MOUNTS=$(mount | grep -v none | grep "$MMC" | wc -l)
+	NUM_MOUNTS=$(mount | grep -v none | grep "$MMC" | wc -l)
 
- for (( c=1; c<=$NUM_MOUNTS; c++ ))
- do
-  DRIVE=$(mount | grep -v none | grep "$MMC" | tail -1 | awk '{print $1}')
-  umount ${DRIVE} &> /dev/null || true
- done
+	for (( c=1; c<=$NUM_MOUNTS; c++ ))
+	do
+		DRIVE=$(mount | grep -v none | grep "$MMC" | tail -1 | awk '{print $1}')
+		umount ${DRIVE} &> /dev/null || true
+	done
 
- parted --script ${MMC} mklabel msdos
+	LC_ALL=C parted --script ${MMC} mklabel msdos | grep "Error:" && drive_error_ro
 }
 
 function uboot_in_boot_partition {