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);
-
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