From 83656a6ea81ce9b85c2f480e576fd02d8a58c357 Mon Sep 17 00:00:00 2001
From: David Bierce <david.bierce@appcore.com>
Date: Fri, 12 Sep 2014 10:52:29 -0500
Subject: [PATCH] Occasionally the while loop can exit with no data (Probably
 recieving an EOF) before receiveing CMDline data from the certial port.
 Continue looping until cmdline is populated

Signed-off-by: Edison Su <sudison@gmail.com>
---
 .../config/etc/init.d/cloud-early-config      | 22 ++++++++++---------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/systemvm/patches/debian/config/etc/init.d/cloud-early-config b/systemvm/patches/debian/config/etc/init.d/cloud-early-config
index 11d0612beab..294ae5fbeb2 100755
--- a/systemvm/patches/debian/config/etc/init.d/cloud-early-config
+++ b/systemvm/patches/debian/config/etc/init.d/cloud-early-config
@@ -117,16 +117,18 @@ get_boot_params() {
           if [ ! -e /dev/vport0p1 ]; then
             log_it "/dev/vport0p1 not loaded, perhaps guest kernel is too old." && exit 2
           fi
-          while read line; do
-            if [[ $line == cmdline:* ]]; then
-              cmd=${line//cmdline:/}
-              echo $cmd > /var/cache/cloud/cmdline
-            elif [[ $line == pubkey:* ]]; then
-              pubkey=${line//pubkey:/}
-              echo $pubkey > /var/cache/cloud/authorized_keys
-              echo $pubkey > /root/.ssh/authorized_keys
-            fi
-          done < /dev/vport0p1
+		  while [$cmd -eq ""]; do         
+            while read line; do
+              if [[ $line == cmdline:* ]]; then
+                cmd=${line//cmdline:/}
+                echo $cmd > /var/cache/cloud/cmdline
+              elif [[ $line == pubkey:* ]]; then
+                pubkey=${line//pubkey:/}
+                echo $pubkey > /var/cache/cloud/authorized_keys
+                echo $pubkey > /root/.ssh/authorized_keys
+              fi
+            done < /dev/vport0p1
+		  done
           chmod go-rwx /root/.ssh/authorized_keys
           ;;
      vmware)