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Diffstat (limited to 'sound/oss/msnd_pinnacle.c')
-rw-r--r--sound/oss/msnd_pinnacle.c35
1 files changed, 24 insertions, 11 deletions
diff --git a/sound/oss/msnd_pinnacle.c b/sound/oss/msnd_pinnacle.c
index a1e3f9671bea..2e48b17667d0 100644
--- a/sound/oss/msnd_pinnacle.c
+++ b/sound/oss/msnd_pinnacle.c
@@ -639,21 +639,26 @@ static int mixer_ioctl(unsigned int cmd, unsigned long arg)
return -EINVAL;
}
-static int dev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long dev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
- int minor = iminor(inode);
+ int minor = iminor(file->f_path.dentry->d_inode);
+ int ret;
if (cmd == OSS_GETVERSION) {
int sound_version = SOUND_VERSION;
return put_user(sound_version, (int __user *)arg);
}
+ ret = -EINVAL;
+
+ lock_kernel();
if (minor == dev.dsp_minor)
- return dsp_ioctl(file, cmd, arg);
+ ret = dsp_ioctl(file, cmd, arg);
else if (minor == dev.mixer_minor)
- return mixer_ioctl(cmd, arg);
+ ret = mixer_ioctl(cmd, arg);
+ unlock_kernel();
- return -EINVAL;
+ return ret;
}
static void dsp_write_flush(void)
@@ -756,12 +761,15 @@ static int dev_open(struct inode *inode, struct file *file)
int minor = iminor(inode);
int err = 0;
+ lock_kernel();
if (minor == dev.dsp_minor) {
if ((file->f_mode & FMODE_WRITE &&
test_bit(F_AUDIO_WRITE_INUSE, &dev.flags)) ||
(file->f_mode & FMODE_READ &&
- test_bit(F_AUDIO_READ_INUSE, &dev.flags)))
- return -EBUSY;
+ test_bit(F_AUDIO_READ_INUSE, &dev.flags))) {
+ err = -EBUSY;
+ goto out;
+ }
if ((err = dsp_open(file)) >= 0) {
dev.nresets = 0;
@@ -782,7 +790,8 @@ static int dev_open(struct inode *inode, struct file *file)
/* nothing */
} else
err = -EINVAL;
-
+out:
+ unlock_kernel();
return err;
}
@@ -1105,7 +1114,7 @@ static const struct file_operations dev_fileops = {
.owner = THIS_MODULE,
.read = dev_read,
.write = dev_write,
- .ioctl = dev_ioctl,
+ .unlocked_ioctl = dev_ioctl,
.open = dev_open,
.release = dev_release,
};
@@ -1391,9 +1400,13 @@ static int __init attach_multisound(void)
printk(KERN_ERR LOGNAME ": Couldn't grab IRQ %d\n", dev.irq);
return err;
}
- request_region(dev.io, dev.numio, dev.name);
+ if (request_region(dev.io, dev.numio, dev.name) == NULL) {
+ free_irq(dev.irq, &dev);
+ return -EBUSY;
+ }
- if ((err = dsp_full_reset()) < 0) {
+ err = dsp_full_reset();
+ if (err < 0) {
release_region(dev.io, dev.numio);
free_irq(dev.irq, &dev);
return err;