From 7ecdf370bc137dab124eab134781ca23aa2ab5b4 Mon Sep 17 00:00:00 2001
From: Shaun Ruffell <sruffell@sruffell.net>
Date: Thu, 9 Aug 2018 22:26:17 -0500
Subject: [PATCH] voicebus: Initialize stack buffer.
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Quiets the following (valid) warning from gcc 7.3.0:

drivers/dahdi/voicebus/GpakApi.c:1648:22: warning: ‘MsgBuffer[1]’ may be used
   uninitialized in this function [-Wmaybe-uninitialized]
         MsgBuffer[1] |= DTMF_UPDATE_MASK;
---
 drivers/dahdi/voicebus/GpakApi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/dahdi/voicebus/GpakApi.c b/drivers/dahdi/voicebus/GpakApi.c
index d65732b..4ff5dcb 100644
--- a/drivers/dahdi/voicebus/GpakApi.c
+++ b/drivers/dahdi/voicebus/GpakApi.c
@@ -1636,6 +1636,8 @@ gpakWriteSysParmsStatus_t gpakWriteSystemParms(
     DSP_WORD MsgBuffer[MSG_BUFFER_SIZE];    /* message buffer */
     DSP_WORD DspStatus;                     /* DSP's reply status */
 
+    memset(MsgBuffer, 0, sizeof(MsgBuffer));
+
     /* Make sure the DSP Id is valid. */
     if (DspId >= MAX_DSP_CORES)
         return (WspInvalidDsp);