From 6339a8fecaabe3566b0f0095dfff53ff0cd5cff4 Mon Sep 17 00:00:00 2001
From: Henrik Nordstrom <henrik@henriknordstrom.net>
Date: Thu, 2 May 2013 12:38:22 +0200
Subject: [PATCH] fel-gpio: Fail on errors after initialization as well

---
 fel-gpio | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fel-gpio b/fel-gpio
index 839d39b..11bb194 100755
--- a/fel-gpio
+++ b/fel-gpio
@@ -1,9 +1,8 @@
-#!/bin/sh
+#!/bin/sh -e
 
 pio_to_sram=0x2000
 sram_to_pio=0x2004
 
-set -e
 if [ -f fel-pio.bin ]; then
 	./fel write 0x2000 fel-pio.bin
 else
@@ -15,7 +14,6 @@ fi
 ./pio -i pio.reg print > pio.old
 cat pio.old | fgrep -v '<0><0><0><0>'
 
-set +e
 while read cmd; do
 	./pio -i pio.reg -o pio.reg $cmd
 	./fel write 0x3000 pio.reg
@@ -23,6 +21,6 @@ while read cmd; do
 	./fel exe 0x2000
 	./fel read 0x3000 0x228 pio.reg
 	./pio -i pio.reg print > pio.new
-	diff -U0 pio.old pio.new
+	diff -U0 pio.old pio.new || true
 	mv -f pio.new pio.old
 done