1 files changed, 17 insertions, 14 deletions

diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 7297acfe520c..83e9e7d9b58c 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1254,7 +1254,7 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
         
 /**
  *      do_tty_hangup           -       actual handler for hangup events
- *      @data: tty device
+ *      @work: tty device
  *
  *      This can be called by the "eventd" kernel thread.  That is process
  *      synchronous but doesn't hold any locks, so we need to make sure we
@@ -1274,9 +1274,10 @@ EXPORT_SYMBOL_GPL(tty_ldisc_flush);
  *              tasklist_lock to walk task list for hangup event
  *
  */
-static void do_tty_hangup(void *data)
+static void do_tty_hangup(struct work_struct *work)
 {
-        struct tty_struct *tty = (struct tty_struct *) data;
+        struct tty_struct *tty =
+                container_of(work, struct tty_struct, hangup_work);
         struct file * cons_filp = NULL;
         struct file *filp, *f = NULL;
         struct task_struct *p;
@@ -1433,7 +1434,7 @@ void tty_vhangup(struct tty_struct * tty)
 
         printk(KERN_DEBUG "%s vhangup...\n", tty_name(tty, buf));
 #endif
-        do_tty_hangup((void *) tty);
+        do_tty_hangup(&tty->hangup_work);
 }
 EXPORT_SYMBOL(tty_vhangup);
 
@@ -3304,12 +3305,13 @@ int tty_ioctl(struct inode * inode, struct file * file,
  * Nasty bug: do_SAK is being called in interrupt context.  This can
  * deadlock.  We punt it up to process context.  AKPM - 16Mar2001
  */
-static void __do_SAK(void *arg)
+static void __do_SAK(struct work_struct *work)
 {
+        struct tty_struct *tty =
+                container_of(work, struct tty_struct, SAK_work);
 #ifdef TTY_SOFT_SAK
         tty_hangup(tty);
 #else
-        struct tty_struct *tty = arg;
         struct task_struct *g, *p;
         int session;
         int             i;
@@ -3388,7 +3390,7 @@ void do_SAK(struct tty_struct *tty)
 {
         if (!tty)
                 return;
-        PREPARE_WORK(&tty->SAK_work, __do_SAK, tty);
+        PREPARE_WORK(&tty->SAK_work, __do_SAK);
         schedule_work(&tty->SAK_work);
 }
 
@@ -3396,7 +3398,7 @@ EXPORT_SYMBOL(do_SAK);
 
 /**
  *      flush_to_ldisc
- *      @private_: tty structure passed from work queue.
+ *      @work: tty structure passed from work queue.
  *
  *      This routine is called out of the software interrupt to flush data
  *      from the buffer chain to the line discipline.
@@ -3406,9 +3408,10 @@ EXPORT_SYMBOL(do_SAK);
  *      receive_buf method is single threaded for each tty instance.
  */
  
-static void flush_to_ldisc(void *private_)
+static void flush_to_ldisc(struct work_struct *work)
 {
-        struct tty_struct *tty = (struct tty_struct *) private_;
+        struct tty_struct *tty =
+                container_of(work, struct tty_struct, buf.work.work);
         unsigned long   flags;
         struct tty_ldisc *disc;
         struct tty_buffer *tbuf, *head;
@@ -3553,7 +3556,7 @@ void tty_flip_buffer_push(struct tty_struct *tty)
         spin_unlock_irqrestore(&tty->buf.lock, flags);
 
         if (tty->low_latency)
-                flush_to_ldisc((void *) tty);
+                flush_to_ldisc(&tty->buf.work.work);
         else
                 schedule_delayed_work(&tty->buf.work, 1);
 }
@@ -3580,17 +3583,17 @@ static void initialize_tty_struct(struct tty_struct *tty)
         tty->overrun_time = jiffies;
         tty->buf.head = tty->buf.tail = NULL;
         tty_buffer_init(tty);
-        INIT_DELAYED_WORK(&tty->buf.work, flush_to_ldisc, tty);
+        INIT_DELAYED_WORK(&tty->buf.work, flush_to_ldisc);
         init_MUTEX(&tty->buf.pty_sem);
         mutex_init(&tty->termios_mutex);
         init_waitqueue_head(&tty->write_wait);
         init_waitqueue_head(&tty->read_wait);
-        INIT_WORK(&tty->hangup_work, do_tty_hangup, tty);
+        INIT_WORK(&tty->hangup_work, do_tty_hangup);
         mutex_init(&tty->atomic_read_lock);
         mutex_init(&tty->atomic_write_lock);
         spin_lock_init(&tty->read_lock);
         INIT_LIST_HEAD(&tty->tty_files);
-        INIT_WORK(&tty->SAK_work, NULL, NULL);
+        INIT_WORK(&tty->SAK_work, NULL);
 }
 
 /*