[PATCH 1/1] mf: Prevent double submission of session commands.

[Yuxuan Shui]

From: Yuxuan Shui

---
 dlls/mf/session.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dlls/mf/session.c b/dlls/mf/session.c
index 483ea6f904f..5ea93da3cee 100644
--- a/dlls/mf/session.c
+++ b/dlls/mf/session.c
@@ -972,6 +972,11 @@ static void session_command_complete(struct media_session *session)
     if ((e = list_head(&session->commands)))
     {
         op = LIST_ENTRY(e, struct session_op, entry);
+        if (op->submitted)
+        {
+            ERR("op %p already submitted\n", op);
+            return;
+        }
         hr = MFPutWorkItem(MFASYNC_CALLBACK_QUEUE_STANDARD, &session->commands_callback, &op->IUnknown_iface);
         op->submitted = SUCCEEDED(hr);
     }