[patch] patch-2.4.1-irda1 (irtty)

[Dag Brattli]

Linus,

Here is a patch that fixes a kernel crash people have 
experiended when using IrDA dongles with Linux-2.4.

The problem was that the netdev was deallocated a bit
to early at close time.

Please apply to your latest 2.4 code.

-- Dag

--- linux/drivers/net/irda/irtty.c.orig	Sun Jan 21 23:35:44 2001
+++ linux/drivers/net/irda/irtty.c	Sun Jan 21 23:36:30 2001
@@ -279,6 +279,11 @@ static void irtty_close(struct tty_struc
 	tty->flags &= ~(1 << TTY_DO_WRITE_WAKEUP);
 	tty->disc_data = 0;
 	
+	/* We are not using any dongle anymore! */
+	if (self->dongle)
+		irda_device_dongle_cleanup(self->dongle);
+	self->dongle = NULL;
+
 	/* Remove netdevice */
 	if (self->netdev) {
 		rtnl_lock();
@@ -286,11 +291,6 @@ static void irtty_close(struct tty_struc
 		rtnl_unlock();
 	}
 	
-	/* We are not using any dongle anymore! */
-	if (self->dongle)
-		irda_device_dongle_cleanup(self->dongle);
-	self->dongle = NULL;
-
 	/* Remove speed changing task if any */
 	if (self->task)
 		irda_task_delete(self->task);