From: Richard M. Stallman <rms@gnu.org>
Date: Tue, 26 Mar 1996 23:57:49 +0000 (+0000)
Subject: (set-visited-file-name): Don't call find-buffer-visiting if filename is nil.
X-Git-Tag: emacs-19.34~977
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=11e314fa730ce41891df5ad2a9777cbeb0a8ed4e;p=emacs.git

(set-visited-file-name): Don't call find-buffer-visiting if filename is nil.
---

diff --git a/lisp/files.el b/lisp/files.el
index f48e38cc686..584aef9f456 100644
--- a/lisp/files.el
+++ b/lisp/files.el
@@ -1423,7 +1423,7 @@ if you wish to pass an empty string as the argument."
 	  (setq truename (file-truename filename))
 	  (if find-file-visit-truename
 	      (setq filename truename))))
-    (let ((buffer (find-buffer-visiting filename)))
+    (let ((buffer (and filename (find-buffer-visiting filename))))
       (and buffer (not (eq buffer (current-buffer)))
 	   (not (y-or-n-p (message "A buffer is visiting %s; proceed? "
 				   filename)))