=?UTF-8?Q?J=C3=B6rg=20H=C3=B6hle=20?=: winmm: Don' t log the uninitialised MCI output buffer in case of error.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: fe7a057a32177e22a201ac56f9b9eacc55ecd07d
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=fe7a057a32177e22a201ac56f9b9eacc55ecd07d

Author: Jörg Höhle <hoehle at users.sourceforge.net>
Date:   Thu Feb 28 18:10:03 2013 +0100

winmm: Don't log the uninitialised MCI output buffer in case of error.

---

 dlls/winmm/mci.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/dlls/winmm/mci.c b/dlls/winmm/mci.c
index 8f26c1e..5c91045 100644
--- a/dlls/winmm/mci.c
+++ b/dlls/winmm/mci.c
@@ -1579,11 +1579,12 @@ DWORD WINAPI mciSendStringW(LPCWSTR lpstrCommand, LPWSTR lpstrRet,
     } else {
 	dwRet = MCI_SendCommand(wmd ? wmd->wDeviceID : uDevID, wMsg, dwFlags, (DWORD_PTR)&data);
     }
-    TRACE("=> 1/ %x (%s)\n", dwRet, debugstr_w(lpstrRet));
     if (!LOWORD(dwRet)) {
+	TRACE("=> 1/ %x (%s)\n", dwRet, debugstr_w(lpstrRet));
 	dwRet = MCI_HandleReturnValues(dwRet, wmd, retType, &data.generic, lpstrRet, uRetLen);
 	TRACE("=> 2/ %x (%s)\n", dwRet, debugstr_w(lpstrRet));
-    }
+    } else
+	TRACE("=> %x\n", dwRet);
 
 errCleanUp:
     if (auto_open) {