Commit: 5afc247ea183488f6b5cd22f659a21e87a68ddbb
Author: Campbell Barton
Date:   Thu Jan 31 12:35:12 2019 +1100
Branches: master
https://developer.blender.org/rB5afc247ea183488f6b5cd22f659a21e87a68ddbb

Fix image paint undo memory leak

===================================================================

M       source/blender/editors/sculpt_paint/paint_image_undo.c

===================================================================

diff --git a/source/blender/editors/sculpt_paint/paint_image_undo.c 
b/source/blender/editors/sculpt_paint/paint_image_undo.c
index 25f5d91a928..0cf56726abf 100644
--- a/source/blender/editors/sculpt_paint/paint_image_undo.c
+++ b/source/blender/editors/sculpt_paint/paint_image_undo.c
@@ -346,10 +346,10 @@ static void image_undo_restore_list(ListBase *lb, struct 
UndoIDPtrMap *id_map)
 
 static void image_undo_free_list(ListBase *lb)
 {
-       UndoImageTile *tile;
-
-       for (tile = lb->first; tile; tile = tile->next) {
+       for (UndoImageTile *tile = lb->first, *tile_next; tile; tile = 
tile_next) {
+               tile_next = tile->next;
                MEM_freeN(tile->rect.pt);
+               MEM_freeN(tile);
        }
 }

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