EDE: Fix for project detection

* lisp/cedet/ede/detect.el (ede--detect-ldf-root-predicate): Make sure
 updir is not nil before trying to detect it.

Copyright-paperwork-exempt: yes

diff --git a/lisp/cedet/ede/detect.el b/lisp/cedet/ede/detect.el
index 54d48a205000bd31cb31150532e86d36a6bec6e6..00dbd3d68fb8424951838838deef9a6f89c6d5f1 100644 (file)
--- a/lisp/cedet/ede/detect.el
+++ b/lisp/cedet/ede/detect.el
@@ -143,7 +143,8 @@ Return a cons cell:
            ;; If it didn't change, then obviously this must be the top.
            t
          ;; If it is different, check updir for the file.
-         (not (ede-auto-detect-in-dir ede--detect-nomatch-auto updir))))))
+         (or (null updir)
+             (not (ede-auto-detect-in-dir ede--detect-nomatch-auto updir)))))))
 
 (defun ede--detect-scan-directory-for-project-root (directory auto)
   "If DIRECTORY has already been detected with AUTO, find the root.