return mask;
 }
 
-static int hostaudio_ioctl(struct inode *inode, struct file *file,
+static long hostaudio_ioctl(struct file *file,
                           unsigned int cmd, unsigned long arg)
 {
        struct hostaudio_state *state = file->private_data;
 
 /* /dev/mixer file operations */
 
-static int hostmixer_ioctl_mixdev(struct inode *inode, struct file *file,
+static long hostmixer_ioctl_mixdev(struct file *file,
                                  unsigned int cmd, unsigned long arg)
 {
        struct hostmixer_state *state = file->private_data;
        .read           = hostaudio_read,
        .write          = hostaudio_write,
        .poll           = hostaudio_poll,
-       .ioctl          = hostaudio_ioctl,
+       .unlocked_ioctl = hostaudio_ioctl,
        .mmap           = NULL,
        .open           = hostaudio_open,
        .release        = hostaudio_release,
 static const struct file_operations hostmixer_fops = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
-       .ioctl          = hostmixer_ioctl_mixdev,
+       .unlocked_ioctl = hostmixer_ioctl_mixdev,
        .open           = hostmixer_open_mixdev,
        .release        = hostmixer_release,
 };