(Fdescribe_buffer_bindings): Check that BUFFER is valid.

diff --git a/src/keymap.c b/src/keymap.c
index dd126a9a8f3755f0cedbd3573aa0bf7256c14675..00a182f52f0fbe1a1f02c4d982d9707c0cdb3f04 100644 (file)
--- a/src/keymap.c
+++ b/src/keymap.c
@@ -2992,6 +2992,8 @@ Keyboard translations:\n\n\
 You type        Translation\n\
 --------        -----------\n";
 
+  CHECK_BUFFER (buffer);
+
   shadow = Qnil;
   GCPRO1 (shadow);