* image.el (image-type-from-buffer): Only return supported image type.

Fixes: debbugs:9045

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index a709c01..ad6fd35 100644 (file)
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2012-04-26  Chong Yidong  <cyd@gnu.org>
 
+       * image.el (image-type-from-buffer): Only return supported image
+       type (Bug#9045).
+
        * vc/diff-mode.el (diff-beginning-of-hunk): Return a meaningful
        value, for symmetry with diff-end-of-hunk.
        (diff-split-hunk, diff-find-source-location)

diff --git a/lisp/image.el b/lisp/image.el
index 348c208..27e41a5 100644 (file)
--- a/lisp/image.el
+++ b/lisp/image.el
@@ -282,7 +282,9 @@ be determined."
                  types nil)
          (setq types (cdr types)))))
     (goto-char opoint)
-    type))
+    (and type
+        (memq type image-types)
+        type)))
 
 
 ;;;###autoload