[PATCH 6/7] winegstreamer: Release callback and context in async_reader_close.

[Rémi Bernon]

From: R��mi Bernon

---
 dlls/winegstreamer/wm_asyncreader.c | 52 +++++++++++++++++------------
 1 file changed, 30 insertions(+), 22 deletions(-)

diff --git a/dlls/winegstreamer/wm_asyncreader.c b/dlls/winegstreamer/wm_asyncreader.c
index 4d774cc2c62..bbc9130ddc2 100644
--- a/dlls/winegstreamer/wm_asyncreader.c
+++ b/dlls/winegstreamer/wm_asyncreader.c
@@ -269,9 +269,24 @@ static HRESULT async_reader_queue_op(struct async_reader *reader, enum async_op_
     return S_OK;
 }

-static void async_reader_close(struct async_reader *reader)
+static void async_reader_close(struct async_reader *reader, bool force)
 {
     struct async_op *op, *next;
+    HRESULT hr;
+
+    if (!force && FAILED(hr = async_reader_queue_op(reader, ASYNC_OP_CLOSE, NULL)))
+    {
+        ERR("Failed to queue close op, hr %#lx\n", hr);
+        force = true;
+    }
+
+    if (force)
+    {
+        EnterCriticalSection(&reader->callback_cs);
+        reader->running = false;
+        LeaveCriticalSection(&reader->callback_cs);
+        WakeConditionVariable(&reader->callback_cv);
+    }

if (reader->callback_thread)
     {
@@ -285,24 +300,29 @@ static void async_reader_close(struct async_reader *reader)
         list_remove(&op->entry);
         free(op);
     }
+
+    if (reader->callback)
+        IWMReaderCallback_Release(reader->callback);
+    reader->callback = NULL;
+    reader->context = NULL;
 }

static HRESULT async_reader_open(struct async_reader *reader, IWMReaderCallback *callback, void *context)
 {
+    HRESULT hr = E_OUTOFMEMORY;
+
     IWMReaderCallback_AddRef((reader->callback = callback));
     reader->context = context;

reader->running = true;
     if (!(reader->callback_thread = CreateThread(NULL, 0, async_reader_callback_thread, reader, 0, NULL)))
-    {
-        IWMReaderCallback_Release(reader->callback);
-        reader->running = false;
-        reader->callback = NULL;
-        reader->context = NULL;
-        return E_OUTOFMEMORY;
-    }
+        goto error;

return S_OK;
+
+error:
+    async_reader_close(reader, true);
+    return hr;
 }

static struct async_reader *impl_from_IWMReader(IWMReader *iface)
@@ -366,13 +386,9 @@ static HRESULT WINAPI WMReader_Close(IWMReader *iface)

EnterCriticalSection(&reader->reader.cs);

-    async_reader_queue_op(reader, ASYNC_OP_CLOSE, NULL);
-    async_reader_close(reader);
+    async_reader_close(reader, false);

hr = wm_reader_close(&reader->reader);
-    if (reader->callback)
-        IWMReaderCallback_Release(reader->callback);
-    reader->callback = NULL;

LeaveCriticalSection(&reader->reader.cs);

@@ -1686,21 +1702,13 @@ static void async_reader_destroy(struct wm_reader *iface)

TRACE("reader %p.\n", reader);

-    EnterCriticalSection(&reader->callback_cs);
-    reader->running = false;
-    LeaveCriticalSection(&reader->callback_cs);
-    WakeConditionVariable(&reader->callback_cv);
-
-    async_reader_close(reader);
+    async_reader_close(reader, true);

reader->callback_cs.DebugInfo->Spare[0] = 0;
     DeleteCriticalSection(&reader->callback_cs);

wm_reader_close(&reader->reader);

-    if (reader->callback)
-        IWMReaderCallback_Release(reader->callback);
-
     wm_reader_cleanup(&reader->reader);
     free(reader);
 }