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Diffstat (limited to 'sound/oss/vwsnd.c')
-rw-r--r--sound/oss/vwsnd.c32
1 files changed, 21 insertions, 11 deletions
diff --git a/sound/oss/vwsnd.c b/sound/oss/vwsnd.c
index 20b3b325aa80..8cd73cdd88af 100644
--- a/sound/oss/vwsnd.c
+++ b/sound/oss/vwsnd.c
@@ -2429,8 +2429,7 @@ static unsigned int vwsnd_audio_poll(struct file *file,
return mask;
}
-static int vwsnd_audio_do_ioctl(struct inode *inode,
- struct file *file,
+static int vwsnd_audio_do_ioctl(struct file *file,
unsigned int cmd,
unsigned long arg)
{
@@ -2446,8 +2445,8 @@ static int vwsnd_audio_do_ioctl(struct inode *inode,
int ival;
- DBGEV("(inode=0x%p, file=0x%p, cmd=0x%x, arg=0x%lx)\n",
- inode, file, cmd, arg);
+ DBGEV("(file=0x%p, cmd=0x%x, arg=0x%lx)\n",
+ file, cmd, arg);
switch (cmd) {
case OSS_GETVERSION: /* _SIOR ('M', 118, int) */
DBGX("OSS_GETVERSION\n");
@@ -2885,17 +2884,19 @@ static int vwsnd_audio_do_ioctl(struct inode *inode,
return -EINVAL;
}
-static int vwsnd_audio_ioctl(struct inode *inode,
- struct file *file,
+static long vwsnd_audio_ioctl(struct file *file,
unsigned int cmd,
unsigned long arg)
{
vwsnd_dev_t *devc = (vwsnd_dev_t *) file->private_data;
int ret;
+ lock_kernel();
mutex_lock(&devc->io_mutex);
- ret = vwsnd_audio_do_ioctl(inode, file, cmd, arg);
+ ret = vwsnd_audio_do_ioctl(file, cmd, arg);
mutex_unlock(&devc->io_mutex);
+ unlock_kernel();
+
return ret;
}
@@ -2921,6 +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();
INC_USE_COUNT;
for (devc = vwsnd_dev_list; devc; devc = devc->next_dev)
if ((devc->audio_minor & ~0x0F) == (minor & ~0x0F))
@@ -2928,6 +2930,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file)
if (devc == NULL) {
DEC_USE_COUNT;
+ unlock_kernel();
return -ENODEV;
}
@@ -2936,11 +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();
return -EBUSY;
}
interruptible_sleep_on(&devc->open_wait);
if (signal_pending(current)) {
DEC_USE_COUNT;
+ unlock_kernel();
return -ERESTARTSYS;
}
mutex_lock(&devc->open_mutex);
@@ -2993,6 +2998,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file)
file->private_data = devc;
DBGRV();
+ unlock_kernel();
return 0;
}
@@ -3044,7 +3050,7 @@ static const struct file_operations vwsnd_audio_fops = {
.read = vwsnd_audio_read,
.write = vwsnd_audio_write,
.poll = vwsnd_audio_poll,
- .ioctl = vwsnd_audio_ioctl,
+ .unlocked_ioctl = vwsnd_audio_ioctl,
.mmap = vwsnd_audio_mmap,
.open = vwsnd_audio_open,
.release = vwsnd_audio_release,
@@ -3062,15 +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();
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();
return -ENODEV;
}
file->private_data = devc;
+ unlock_kernel();
return 0;
}
@@ -3203,8 +3212,7 @@ static int mixer_write_ioctl(vwsnd_dev_t *devc, unsigned int nr, void __user *ar
/* This is the ioctl entry to the mixer driver. */
-static int vwsnd_mixer_ioctl(struct inode *ioctl,
- struct file *file,
+static long vwsnd_mixer_ioctl(struct file *file,
unsigned int cmd,
unsigned long arg)
{
@@ -3215,6 +3223,7 @@ static int vwsnd_mixer_ioctl(struct inode *ioctl,
DBGEV("(devc=0x%p, cmd=0x%x, arg=0x%lx)\n", devc, cmd, arg);
+ lock_kernel();
mutex_lock(&devc->mix_mutex);
{
if ((cmd & ~nrmask) == MIXER_READ(0))
@@ -3225,13 +3234,14 @@ static int vwsnd_mixer_ioctl(struct inode *ioctl,
retval = -EINVAL;
}
mutex_unlock(&devc->mix_mutex);
+ unlock_kernel();
return retval;
}
static const struct file_operations vwsnd_mixer_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
- .ioctl = vwsnd_mixer_ioctl,
+ .unlocked_ioctl = vwsnd_mixer_ioctl,
.open = vwsnd_mixer_open,
.release = vwsnd_mixer_release,
};