Nikolay Sivov : riched20: Handle invalid HFONT values passed to WM_SETFONT.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 20f4a9ff7b1cf4f4e2ddfc11f4fce44293268e57
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=20f4a9ff7b1cf4f4e2ddfc11f4...

Author: Nikolay Sivov <nsivov(a)codeweavers.com>
Date:   Mon Oct  5 00:40:16 2015 +0300

riched20: Handle invalid HFONT values passed to WM_SETFONT.

Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com>

---

 dlls/riched20/editor.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dlls/riched20/editor.c b/dlls/riched20/editor.c
index a55a109..ae4a3ab 100644
--- a/dlls/riched20/editor.c
+++ b/dlls/riched20/editor.c
@@ -3767,7 +3767,10 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
 
     if (!wParam)
       wParam = (WPARAM)GetStockObject(SYSTEM_FONT);
-    GetObjectW((HGDIOBJ)wParam, sizeof(LOGFONTW), &lf);
+
+    if (!GetObjectW((HGDIOBJ)wParam, sizeof(LOGFONTW), &lf))
+      return 0;
+
     hDC = ITextHost_TxGetDC(editor->texthost);
     ME_CharFormatFromLogFont(hDC, &lf, &fmt);
     ITextHost_TxReleaseDC(editor->texthost, hDC);