1 files changed, 15 insertions, 15 deletions

diff --git a/sound/oss/vwsnd.c b/sound/oss/vwsnd.c
index 8cd73cdd88af..643f1113b1d8 100644
--- a/sound/oss/vwsnd.c
+++ b/sound/oss/vwsnd.c
@@ -145,7 +145,6 @@
 #include <linux/init.h>
 
 #include <linux/spinlock.h>
-#include <linux/smp_lock.h>
 #include <linux/wait.h>
 #include <linux/interrupt.h>
 #include <linux/mutex.h>
@@ -160,6 +159,7 @@
 
 #ifdef VWSND_DEBUG
 
+static DEFINE_MUTEX(vwsnd_mutex);
 static int shut_up = 1;
 
 /*
@@ -2891,11 +2891,11 @@ static long vwsnd_audio_ioctl(struct file *file,
 	vwsnd_dev_t *devc = (vwsnd_dev_t *) file->private_data;
 	int ret;
 
-	lock_kernel();
+	mutex_lock(&vwsnd_mutex);
 	mutex_lock(&devc->io_mutex);
 	ret = vwsnd_audio_do_ioctl(file, cmd, arg);
 	mutex_unlock(&devc->io_mutex);
-	unlock_kernel();
+	mutex_unlock(&vwsnd_mutex);
 
 	return ret;
 }
@@ -2922,7 +2922,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file)
 
 	DBGE("(inode=0x%p, file=0x%p)\n", inode, file);
 
-	lock_kernel();
+	mutex_lock(&vwsnd_mutex);
 	INC_USE_COUNT;
 	for (devc = vwsnd_dev_list; devc; devc = devc->next_dev)
 		if ((devc->audio_minor & ~0x0F) == (minor & ~0x0F))
@@ -2930,7 +2930,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file)
 
 	if (devc == NULL) {
 		DEC_USE_COUNT;
-		unlock_kernel();
+		mutex_unlock(&vwsnd_mutex);
 		return -ENODEV;
 	}
 
@@ -2939,13 +2939,13 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file)
 		mutex_unlock(&devc->open_mutex);
 		if (file->f_flags & O_NONBLOCK) {
 			DEC_USE_COUNT;
-			unlock_kernel();
+			mutex_unlock(&vwsnd_mutex);
 			return -EBUSY;
 		}
 		interruptible_sleep_on(&devc->open_wait);
 		if (signal_pending(current)) {
 			DEC_USE_COUNT;
-			unlock_kernel();
+			mutex_unlock(&vwsnd_mutex);
 			return -ERESTARTSYS;
 		}
 		mutex_lock(&devc->open_mutex);
@@ -2998,7 +2998,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file)
 
 	file->private_data = devc;
 	DBGRV();
-	unlock_kernel();
+	mutex_unlock(&vwsnd_mutex);
 	return 0;
 }
 
@@ -3012,7 +3012,7 @@ static int vwsnd_audio_release(struct inode *inode, struct file *file)
 	vwsnd_port_t *wport = NULL, *rport = NULL;
 	int err = 0;
 
-	lock_kernel();
+	mutex_lock(&vwsnd_mutex);
 	mutex_lock(&devc->io_mutex);
 	{
 		DBGEV("(inode=0x%p, file=0x%p)\n", inode, file);
@@ -3040,7 +3040,7 @@ static int vwsnd_audio_release(struct inode *inode, struct file *file)
 	wake_up(&devc->open_wait);
 	DEC_USE_COUNT;
 	DBGR();
-	unlock_kernel();
+	mutex_unlock(&vwsnd_mutex);
 	return err;
 }
 
@@ -3068,18 +3068,18 @@ static int vwsnd_mixer_open(struct inode *inode, struct file *file)
 	DBGEV("(inode=0x%p, file=0x%p)\n", inode, file);
 
 	INC_USE_COUNT;
-	lock_kernel();
+	mutex_lock(&vwsnd_mutex);
 	for (devc = vwsnd_dev_list; devc; devc = devc->next_dev)
 		if (devc->mixer_minor == iminor(inode))
 			break;
 
 	if (devc == NULL) {
 		DEC_USE_COUNT;
-		unlock_kernel();
+		mutex_unlock(&vwsnd_mutex);
 		return -ENODEV;
 	}
 	file->private_data = devc;
-	unlock_kernel();
+	mutex_unlock(&vwsnd_mutex);
 	return 0;
 }
 
@@ -3223,7 +3223,7 @@ static long vwsnd_mixer_ioctl(struct file *file,
 
 	DBGEV("(devc=0x%p, cmd=0x%x, arg=0x%lx)\n", devc, cmd, arg);
 
-	lock_kernel();
+	mutex_lock(&vwsnd_mutex);
 	mutex_lock(&devc->mix_mutex);
 	{
 		if ((cmd & ~nrmask) == MIXER_READ(0))
@@ -3234,7 +3234,7 @@ static long vwsnd_mixer_ioctl(struct file *file,
 			retval = -EINVAL;
 	}
 	mutex_unlock(&devc->mix_mutex);
-	unlock_kernel();
+	mutex_unlock(&vwsnd_mutex);
 	return retval;
 }