Rémi Bernon : ole32: Reset IMoniker data pointer to NULL on failure.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a547efc094ca89461731c49302883e4d45692eb9
URL:    https://gitlab.winehq.org/wine/wine/-/commit/a547efc094ca89461731c49302883e4...

Author: Rémi Bernon 
Date:   Fri Dec  2 08:47:56 2022 +0100

ole32: Reset IMoniker data pointer to NULL on failure.

To avoid double free when the caller releases the object.

---

dlls/ole32/moniker.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/ole32/moniker.c b/dlls/ole32/moniker.c
index be6150bc7b6..f98b21bdf2b 100644
--- a/dlls/ole32/moniker.c
+++ b/dlls/ole32/moniker.c
@@ -161,6 +161,7 @@ static HRESULT get_moniker_comparison_data(IMoniker *pMoniker, MonikerComparison
         {
             ERR("Failed to copy comparison data into buffer, hr = %#lx\n", hr);
             HeapFree(GetProcessHeap(), 0, *moniker_data);
+            *moniker_data = NULL;
             return hr;
         }
         (*moniker_data)->ulCntData = size;