V4L/DVB: dvb/bt8xx: kill the big kernel lock

[firefly-linux-kernel-4.4.55.git] / sound / oss / vwsnd.c

diff --git a/sound/oss/vwsnd.c b/sound/oss/vwsnd.c
index 99c94c48558ca8985e199baedf01d3ab10cb932a..8cd73cdd88afeedbaf90e1bdbab62eb56fc0949e 100644 (file)
--- 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;
 }
 
@@ -3049,7 +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,
@@ -3211,8 +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)
 {
@@ -3223,6 +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))
@@ -3233,13 +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,
 };