mfplat: Output warning for unexpected result object passed for periodic callback (Coverity).

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

mfplat: Output warning for unexpected result object passed for periodic callback (Coverity).
88924d6a · Nikolay Sivov · Alexandre Julliard · 53f0a25e · 88924d6a
Commit 88924d6a authored Apr 06, 2019 by Nikolay Sivov Committed by Alexandre Julliard Apr 08, 2019
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queue.c dlls/mfplat/queue.c +2 -1

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--- a/dlls/mfplat/queue.c
+++ b/dlls/mfplat/queue.c
@@ -1066,7 +1066,8 @@ static HRESULT WINAPI periodic_callback_Invoke(IMFAsyncCallback *iface, IMFAsync
    struct periodic_callback *callback = impl_from_IMFAsyncCallback(iface);
    IUnknown *context = NULL;

-    IMFAsyncResult_GetObject(result, &context);
+    if (FAILED(IMFAsyncResult_GetObject(result, &context)))
+        WARN("Expected object to be set for result object.\n");

    callback->callback(context);