From 9140349886ae24a35fb5b348c6c6725d4a9ed6a2 Mon Sep 17 00:00:00 2001
From: Francois Gouget <fgouget@codeweavers.com>
Date: Thu, 16 Jan 2003 01:16:46 +0000
Subject: [PATCH] Warn if open_count is already 0 when OSS_CloseDevice is
 called. Don't decrement it in that case.

---
 dlls/winmm/wineoss/audio.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/dlls/winmm/wineoss/audio.c b/dlls/winmm/wineoss/audio.c
index 5f27720ed2d..675101d5e20 100644
--- a/dlls/winmm/wineoss/audio.c
+++ b/dlls/winmm/wineoss/audio.c
@@ -370,7 +370,12 @@ static DWORD OSS_OpenDevice(OSS_DEVICE* ossdev, unsigned req_access,
  */
 static void	OSS_CloseDevice(OSS_DEVICE* ossdev)
 {
-    if (--ossdev->open_count == 0)
+    if (ossdev->open_count>0) {
+        ossdev->open_count--;
+    } else {
+        WARN("OSS_CloseDevice called too many times\n");
+    }
+    if (ossdev->open_count == 0)
     {
        /* reset the device before we close it in case it is in a bad state */
        ioctl(ossdev->fd, SNDCTL_DSP_RESET, 0);