shlwapi: SHFreeShared returns TRUE when passed NULL handle.

Signed-off-by: Olivier F. R. Dierick <o.dierick@piezo-forte.be> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

shlwapi: SHFreeShared returns TRUE when passed NULL handle.
de0d8719 · Olivier F. R. Dierick · Alexandre Julliard · 454168ac · de0d8719
Commit de0d8719 authored Dec 02, 2015 by Olivier F. R. Dierick Committed by Alexandre Julliard Dec 03, 2015
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ordinal.c dlls/shlwapi/ordinal.c +3 -0

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--- a/dlls/shlwapi/ordinal.c
+++ b/dlls/shlwapi/ordinal.c
@@ -259,6 +259,9 @@ BOOL WINAPI SHFreeShared(HANDLE hShared, DWORD dwProcId)

  TRACE("(%p %d)\n", hShared, dwProcId);

+  if (!hShared)
+    return TRUE;
+
  /* Get a copy of the handle for our process, closing the source handle */
  hClose = SHMapHandle(hShared, dwProcId, GetCurrentProcessId(),
                       FILE_MAP_ALL_ACCESS,DUPLICATE_CLOSE_SOURCE);