[PATCH v3 06/10] winecoreaudio: Lock sessions in AudioClient's Start.

[Davide Beatrici]

From: Davide Beatrici

---
 dlls/winecoreaudio.drv/mmdevdrv.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/dlls/winecoreaudio.drv/mmdevdrv.c b/dlls/winecoreaudio.drv/mmdevdrv.c
index 3c3d9b0b1ac..75b463fe1f7 100644
--- a/dlls/winecoreaudio.drv/mmdevdrv.c
+++ b/dlls/winecoreaudio.drv/mmdevdrv.c
@@ -791,24 +791,28 @@ static HRESULT WINAPI AudioClient_Start(IAudioClient3 *iface)
 {
     ACImpl *This = impl_from_IAudioClient3(iface);
     struct start_params params;
-    HRESULT hr;

TRACE("(%p)\n", This);

-    if(!This->stream)
-        return AUDCLNT_E_NOT_INITIALIZED;
+    sessions_lock();
+
+    if (!This->stream) {
+        params.result = AUDCLNT_E_NOT_INITIALIZED;
+        goto exit;
+    }

params.stream = This->stream;
-    UNIX_CALL(start, &params);
-    if(FAILED(hr = params.result))
-        return hr;

-    if(!This->timer_thread) {
+    WINE_UNIX_CALL(start, &params);
+
+    if (SUCCEEDED(params.result) && !This->timer_thread) {
         This->timer_thread = CreateThread(NULL, 0, ca_timer_thread, This, 0, NULL);
         SetThreadPriority(This->timer_thread, THREAD_PRIORITY_TIME_CRITICAL);
     }
+exit:
+    sessions_unlock();

-    return S_OK;
+    return params.result;
 }

extern HRESULT WINAPI client_Stop(IAudioClient3 *iface);