Hello!
Linux 2.6.0-test1 oopses every time when pilot-link finished upload. I'm
using the Visor driver and devfs. Linux .config and the exact oops output
can be found here: http://www.red-bean.com/~proski/visor/
destroy_serial() in drivers/usb/serial/usb-serial.c checks if port->tty
and tried to access port->tty->driver_data, which is invalid.
Since serial_open() assigns a value to port->tty, I guess serial_close()
should set it back to NULL. Indeed, this patch fixes the oops for me:
====================================
--- linux.orig/drivers/usb/serial/usb-serial.c
+++ linux/drivers/usb/serial/usb-serial.c
@@ -531,6 +531,8 @@ static void serial_close(struct tty_stru
if (tty && tty->driver_data) {
__serial_close(port, filp);
}
+
+ port->tty = NULL;
}
static int serial_write (struct tty_struct * tty, int from_user, const unsigned char
*buf, int count)
====================================
--
Regards,
Pavel Roskin
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