[PATCH v2 2/2] urlmon: fix NULL dereference in BindProtocol_UnlockRequest

[Yuxuan Shui]

From: Yuxuan Shui <yshui(a)codeweavers.com>

---
 dlls/urlmon/bindprot.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dlls/urlmon/bindprot.c b/dlls/urlmon/bindprot.c
index b09acdd5c3a..ec52ac5e999 100644
--- a/dlls/urlmon/bindprot.c
+++ b/dlls/urlmon/bindprot.c
@@ -815,7 +815,9 @@ static HRESULT WINAPI ProtocolHandler_UnlockRequest(IInternetProtocol *iface)
 
     TRACE("(%p)\n", This);
 
-    return IInternetProtocol_UnlockRequest(This->protocol);
+    if (This->protocol)
+        return IInternetProtocol_UnlockRequest(This->protocol);
+    return S_OK;
 }
 
 static const IInternetProtocolVtbl InternetProtocolHandlerVtbl = {
-- 
GitLab

https://gitlab.winehq.org/wine/wine/-/merge_requests/3733