Nikolay Sivov : dwrite: Keep corresponding data context for created backend object.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 94d7abce63a65bfe998f3dedf597282cc505b1b5
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=94d7abce63a65bfe998f3dedf597282cc505b1b5

Author: Nikolay Sivov <nsivov at codeweavers.com>
Date:   Wed Dec  8 14:10:45 2021 +0300

dwrite: Keep corresponding data context for created backend object.

Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/dwrite/font.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/dlls/dwrite/font.c b/dlls/dwrite/font.c
index 22fb3369bc7..ffe012d3029 100644
--- a/dlls/dwrite/font.c
+++ b/dlls/dwrite/font.c
@@ -5316,10 +5316,15 @@ static UINT64 dwrite_fontface_get_font_object(struct dwrite_fontface *fontface)
                 return 0;
             }
 
-            if (InterlockedCompareExchange64((LONGLONG *)&fontface->font_object, font_object, 0))
+            if (!InterlockedCompareExchange64((LONGLONG *)&fontface->font_object, font_object, 0))
+            {
+                fontface->data_context = data_context;
+            }
+            else
             {
                 release_params.object = font_object;
                 UNIX_CALL(release_font_object, &release_params);
+                IDWriteFontFileStream_ReleaseFileFragment(fontface->stream, data_context);
             }
         }
     }