[Bug 36171] New: valgrind shows several leaks in winmm/waveform.c

https://bugs.winehq.org/show_bug.cgi?id=36171

Bug ID: 36171
           Summary: valgrind shows several leaks in winmm/waveform.c
           Product: Wine
           Version: 1.7.17
          Hardware: x86
                OS: Linux
            Status: NEW
          Keywords: download, source, testcase
          Severity: normal
          Priority: P2
         Component: winmm&mci
          Assignee: [e-mail]
          Reporter: [e-mail]

==4477== 6,156 bytes in 342 blocks are definitely lost in loss record 823 of
838
==4477==    at 0x7BC4C6B7: notify_alloc (heap.c:255)
==4477==    by 0x7BC50EFB: RtlAllocateHeap (heap.c:1716)
==4477==    by 0x4FEACEF: WINMM_OpenDevice (waveform.c:1093)
==4477==    by 0x4FEB8D0: WOD_Open (waveform.c:1272)
==4477==    by 0x4FEF2F1: WINMM_DevicesMsgProc (waveform.c:2409)
==4477==    by 0x514943D: ??? (winproc.c:173)
==4477==    by 0x51495B2: call_window_proc (winproc.c:244)
==4477==    by 0x514B74B: WINPROC_call_window (winproc.c:900)
==4477==    by 0x51080F8: call_window_proc (message.c:2223)
==4477==    by 0x510A2FC: peek_message (message.c:2953)
==4477==    by 0x510BDA2: PeekMessageW (message.c:3757)
==4477==    by 0x4FEF773: WINMM_DevicesThreadProc (waveform.c:2503)
==4477==    by 0x7BC87017: ??? (signal_i386.c:2571)
==4477==    by 0x7BC87060: call_thread_func (signal_i386.c:2630)
==4477==    by 0x7BC86FF5: ??? (signal_i386.c:2571)
==4477==    by 0x7BC8E43C: start_thread (thread.c:428)
==4477==    by 0x4218F92: start_thread (pthread_create.c:309)
==4477==    by 0x431D7ED: clone (clone.S:129)

==4477== 240 bytes in 6 blocks are definitely lost in loss record 575 of 838
==4477==    at 0x7BC4C6B7: notify_alloc (heap.c:255)
==4477==    by 0x7BC50EFB: RtlAllocateHeap (heap.c:1716)
==4477==    by 0x5823590: IMalloc_fnAlloc (ifs.c:186)
==4477==    by 0x5823EAB: CoTaskMemAlloc (objidl.h:1236)
==4477==    by 0x69AE652: AudioClient_GetMixFormat (mmdevdrv.c:1747)
==4477==    by 0x6510860: set_format (audioclient.h:330)
==4477==    by 0x65109DF: load_driver_devices (devenum.c:464)
==4477==    by 0x6512225: MMDevEnum_Create (devenum.c:851)
==4477==    by 0x6515445: MMCF_CreateInstance (main.c:252)
==4477==    by 0x5804D96: CoCreateInstance (unknwn.h:226)
==4477==    by 0x4FE9C53: WINMM_InitMMDevices (waveform.c:843)
==4477==    by 0x4FEF50F: WINMM_DevicesThreadProc (waveform.c:2468)
==4477==    by 0x7BC87017: ??? (signal_i386.c:2571)
==4477==    by 0x7BC87060: call_thread_func (signal_i386.c:2630)
==4477==    by 0x7BC86FF5: ??? (signal_i386.c:2571)
==4477==    by 0x7BC8E43C: start_thread (thread.c:428)
==4477==    by 0x4218F92: start_thread (pthread_create.c:309)
==4477==    by 0x431D7ED: clone (clone.S:129)
==4477==