(vc-register): Check for a visited file first thing.

diff --git a/lisp/vc.el b/lisp/vc.el
index c68973505e8713a4aeb30e0d583b1cda19b37ac9..4d5e29c86f66e17d6942824fbc8f7a48427f2cb2 100644 (file)
--- a/lisp/vc.el
+++ b/lisp/vc.el
@@ -639,9 +639,9 @@ merge in the changes into your working copy."
 (defun vc-register (&optional override comment)
   "Register the current file into your version-control system."
   (interactive "P")
+  (or buffer-file-name
+      (error "No visited file"))
   (let ((master (vc-name buffer-file-name)))
-    (or buffer-file-name
-       (error "No visited file"))
     (and master (file-exists-p master)
         (error "This file is already registered"))
     (and master