make sure in DRM toplevel

diff --git a/scripts/create_lk_drm.sh b/scripts/create_lk_drm.sh
index ad709c1..ce7c460 100755 (executable)
--- a/scripts/create_lk_drm.sh
+++ b/scripts/create_lk_drm.sh
@@ -9,6 +9,11 @@ if [ $# -lt 2 ] ;then
        exit 1
 fi
 
+if [ ! -d shared -o ! -d linux ]  ;then
+       echo not in DRM toplevel
+       exit 1
+fi
+
 OUTDIR=$1/drivers/char/drm/
 VERS=$2