From: Kim F. Storm <storm@cua.dk>
Date: Wed, 17 Aug 2005 15:00:14 +0000 (+0000)
Subject: (buffer_posn_from_coords): Check that target row is
X-Git-Tag: emacs-pretest-22.0.90~7542
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=b70d98e13c27b14e12ce4cef9cd9c8758f6fff0a;p=emacs.git

(buffer_posn_from_coords): Check that target row is
within matrix.
---

diff --git a/src/dispnew.c b/src/dispnew.c
index 3f7d55b2477..15190abfb7e 100644
--- a/src/dispnew.c
+++ b/src/dispnew.c
@@ -5801,8 +5801,9 @@ buffer_posn_from_coords (w, x, y, pos, object, dx, dy, width, height)
     }
 #endif
 
-  row = MATRIX_ROW (w->current_matrix, it.vpos);
-  if (row->enabled_p)
+  if (it.vpos < w->current_matrix->nrows
+      && (row = MATRIX_ROW (w->current_matrix, it.vpos),
+	  row->enabled_p))
     {
       if (it.hpos < row->used[TEXT_AREA])
 	{