Merge branch 'topic/core-cleanup' into for-linus

[safe/jmp/linux-2.6] / sound / core / timer.c

diff --git a/sound/core/timer.c b/sound/core/timer.c
index b8ee49c..13afb60 100644 (file)
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -306,7 +306,7 @@ int snd_timer_close(struct snd_timer_instance *timeri)
        struct snd_timer *timer = NULL;
        struct snd_timer_instance *slave, *tmp;
 
-       if (snd_BUG_ON(!timer))
+       if (snd_BUG_ON(!timeri))
                return -ENXIO;
 
        /* force to stop the timer */
@@ -393,7 +393,7 @@ static void snd_timer_notify1(struct snd_timer_instance *ti, int event)
            event == SNDRV_TIMER_EVENT_CONTINUE)
                resolution = snd_timer_resolution(ti);
        if (ti->ccallback)
-               ti->ccallback(ti, SNDRV_TIMER_EVENT_START, &tstamp, resolution);
+               ti->ccallback(ti, event, &tstamp, resolution);
        if (ti->flags & SNDRV_TIMER_IFLG_SLAVE)
                return;
        timer = ti->timer;
@@ -743,7 +743,7 @@ void snd_timer_interrupt(struct snd_timer * timer, unsigned long ticks_left)
        spin_unlock_irqrestore(&timer->lock, flags);
 
        if (use_tasklet)
-               tasklet_hi_schedule(&timer->task_queue);
+               tasklet_schedule(&timer->task_queue);
 }
 
 /*
@@ -1160,6 +1160,7 @@ static void snd_timer_user_ccallback(struct snd_timer_instance *timeri,
 {
        struct snd_timer_user *tu = timeri->callback_data;
        struct snd_timer_tread r1;
+       unsigned long flags;
 
        if (event >= SNDRV_TIMER_EVENT_START &&
            event <= SNDRV_TIMER_EVENT_PAUSE)
@@ -1169,9 +1170,9 @@ static void snd_timer_user_ccallback(struct snd_timer_instance *timeri,
        r1.event = event;
        r1.tstamp = *tstamp;
        r1.val = resolution;
-       spin_lock(&tu->qlock);
+       spin_lock_irqsave(&tu->qlock, flags);
        snd_timer_user_append_to_tqueue(tu, &r1);
-       spin_unlock(&tu->qlock);
+       spin_unlock_irqrestore(&tu->qlock, flags);
        kill_fasync(&tu->fasync, SIGIO, POLL_IN);
        wake_up(&tu->qchange_sleep);
 }
@@ -1237,6 +1238,11 @@ static void snd_timer_user_tinterrupt(struct snd_timer_instance *timeri,
 static int snd_timer_user_open(struct inode *inode, struct file *file)
 {
        struct snd_timer_user *tu;
+       int err;
+
+       err = nonseekable_open(inode, file);
+       if (err < 0)
+               return err;
 
        tu = kzalloc(sizeof(*tu), GFP_KERNEL);
        if (tu == NULL)
@@ -1263,7 +1269,6 @@ static int snd_timer_user_release(struct inode *inode, struct file *file)
        if (file->private_data) {
                tu = file->private_data;
                file->private_data = NULL;
-               fasync_helper(-1, file, 0, &tu->fasync);
                if (tu->timeri)
                        snd_timer_close(tu->timeri);
                kfree(tu->queue);
@@ -1396,13 +1401,10 @@ static int snd_timer_user_ginfo(struct file *file,
        struct list_head *p;
        int err = 0;
 
-       ginfo = kmalloc(sizeof(*ginfo), GFP_KERNEL);
-       if (! ginfo)
-               return -ENOMEM;
-       if (copy_from_user(ginfo, _ginfo, sizeof(*ginfo))) {
-               kfree(ginfo);
-               return -EFAULT;
-       }
+       ginfo = memdup_user(_ginfo, sizeof(*ginfo));
+       if (IS_ERR(ginfo))
+               return PTR_ERR(ginfo);
+
        tid = ginfo->tid;
        memset(ginfo, 0, sizeof(*ginfo));
        ginfo->tid = tid;
@@ -1826,13 +1828,9 @@ static long snd_timer_user_ioctl(struct file *file, unsigned int cmd,
 static int snd_timer_user_fasync(int fd, struct file * file, int on)
 {
        struct snd_timer_user *tu;
-       int err;
 
        tu = file->private_data;
-       err = fasync_helper(fd, file, on, &tu->fasync);
-        if (err < 0)
-               return err;
-       return 0;
+       return fasync_helper(fd, file, on, &tu->fasync);
 }
 
 static ssize_t snd_timer_user_read(struct file *file, char __user *buffer,
@@ -1929,6 +1927,7 @@ static const struct file_operations snd_timer_f_ops =
        .read =         snd_timer_user_read,
        .open =         snd_timer_user_open,
        .release =      snd_timer_user_release,
+       .llseek =       no_llseek,
        .poll =         snd_timer_user_poll,
        .unlocked_ioctl =       snd_timer_user_ioctl,
        .compat_ioctl = snd_timer_user_ioctl_compat,