1 files changed, 46 insertions, 0 deletions
diff --git a/graphics/dia/patches/0007-grid-object-avoid-crash-on-shrink.patch b/graphics/dia/patches/0007-grid-object-avoid-crash-on-shrink.patch
new file mode 100644
index 0000000000..59fe831dda
--- /dev/null
+++ b/graphics/dia/patches/0007-grid-object-avoid-crash-on-shrink.patch
@@ -0,0 +1,46 @@
+From ae8bcaa703197d090c0c746c54289ddcc6bbbbb1 Mon Sep 17 00:00:00 2001
+From: Hans Breuer <hans@breuer.org>
+Date: Thu, 7 Oct 2010 13:21:16 +0200
+Subject: [PATCH 07/24] grid-object: avoid crash on shrink
+
+Fix some confusion about rows/columns using the wrong limits.
+Resizing object::connections was too early.
+(cherry picked from commit cddd958b71a4075751ab76ac3530ced3c33972ea)
+---
+ objects/Misc/grid_object.c | 13 +++++++------
+ 1 file changed, 7 insertions(+), 6 deletions(-)
+
+diff --git a/objects/Misc/grid_object.c b/objects/Misc/grid_object.c
+index 05d1b16..11dca8b 100644
+--- a/objects/Misc/grid_object.c
++++ b/objects/Misc/grid_object.c
+@@ -460,12 +460,6 @@ grid_object_reallocate_cells (Grid_Object* grid_object)
+   if (old_rows == new_rows && old_cols == new_cols)
+     return;  /* no reallocation necessary */
+ 
+-  /* obj->connections doesn't own the pointers, so just realloc; values
+-   * will be updated later */
+-  obj->num_connections = GRID_OBJECT_BASE_CONNECTION_POINTS + new_rows*new_cols;
+-  obj->connections = (ConnectionPoint **) g_realloc(obj->connections,
+-      		obj->num_connections * sizeof(ConnectionPoint *));
+-
+   /* If either new dimension is smaller, some connpoints will have to
+    * be disconnected before reallocating */
+ 
+@@ -485,6 +479,13 @@ grid_object_reallocate_cells (Grid_Object* grid_object)
+       object_remove_connections_to(&grid_object->cells[cell]);
+     }
+ 
++  /* must be done after disconnecting */
++  /* obj->connections doesn't own the pointers, so just realloc; values
++   * will be updated later */
++  obj->num_connections = GRID_OBJECT_BASE_CONNECTION_POINTS + new_rows*new_cols;
++  obj->connections = (ConnectionPoint **) g_realloc(obj->connections,
++      		obj->num_connections * sizeof(ConnectionPoint *));
++
+   /* Can't use realloc; if grid has different dims, memory lays out
+    * differently.  Must copy by hand. */
+ 
+-- 
+1.8.4.4
+