Nikolay Sivov : mfplat: Fix potential invalid memory access (Coverity).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: cb4d45adfd4b82ef4fc24cd7860f0c6d5e36b080
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=cb4d45adfd4b82ef4fc24cd78...

Author: Nikolay Sivov <nsivov(a)codeweavers.com>
Date:   Wed Mar  6 12:42:11 2019 +0300

mfplat: Fix potential invalid memory access (Coverity).

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

---

 dlls/mfplat/queue.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/mfplat/queue.c b/dlls/mfplat/queue.c
index 1b9ef38..96dd6de 100644
--- a/dlls/mfplat/queue.c
+++ b/dlls/mfplat/queue.c
@@ -185,6 +185,8 @@ static HRESULT grab_queue(DWORD queue_id, struct queue **ret)
     MFASYNC_WORKQUEUE_TYPE queue_type;
     struct queue_handle *entry;
 
+    *ret = NULL;
+
     if (!system_queues[SYS_QUEUE_STANDARD].pool)
         return MF_E_SHUTDOWN;