atm: firestream: Use del_timer_sync() in teardown path
The device is about to vanish. So we need to make sure that the timer
is completely stopped and the callback is not running on another CPU.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Chas Williams <chas@cmf.nrl.navy.mil>
Cc: atm <linux-atm-general@lists.sourceforge.net>
Cc: netdev <netdev@vger.kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
index f43e1c1..82f2ae0 100644
--- a/drivers/atm/firestream.c
+++ b/drivers/atm/firestream.c
@@ -2000,7 +2000,7 @@
fs_dprintk (FS_DEBUG_CLEANUP, "Freeing irq%d.\n", dev->irq);
free_irq (dev->irq, dev);
- del_timer (&dev->timer);
+ del_timer_sync (&dev->timer);
atm_dev_deregister(dev->atm_dev);
free_queue (dev, &dev->hp_txq);