[PATCH OSSTEST] cr-daily-branch: Only build oldkern for xen-unstable flights

[Ian Campbell <ian.campbell@citrix.com>]

This is just supposed to be a build test, it doesn't actually get used.
There's no need to be doing this for every flight, doing it for xen-unstable
is enough

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
---
 cr-daily-branch | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/cr-daily-branch b/cr-daily-branch
index 2cd6470..1263898 100755
--- a/cr-daily-branch
+++ b/cr-daily-branch
@@ -157,6 +157,10 @@ if [ "x$REVISION_LINUXFIRMWARE" = x ]; then
         export REVISION_LINUXFIRMWARE
 fi
 
+if [ "x$branch" != "xxen-unstable" ]; then
+        export REVISION_LINUX_OLD=disable
+fi
+
 case "$tree" in
 xen)
         realtree=$xenbranch
@@ -165,7 +169,6 @@ xen)
 linux)
         realtree=linux
 	NEW_REVISION=$REVISION_LINUX
-	export REVISION_LINUX_OLD=disable
 	: ${GITFORCEFLAG:=$GITFORCEFLAG_TREE_LINUX_THIS}
 	;;
 osstest)
-- 
1.9.0