On Thu, Sep 04, 2003 at 04:31:45PM +0300, Rus V. Brushkoff wrote:
>
> Hi.
>
> Can somebody reproduce this - doing 'cat /dev/ttyUSB0' and then unplug
> device, my config is kernel is 2.4.23-pre3 / mb Intel D845PEBT2 / 1.8Ghz
> P4 / 768 Mb RAM :
Can you try the patch below and let me know if it fixes it or not?
thanks,
greg k-h
--- a/drivers/usb/serial/usbserial.c Sat Aug 30 23:27:18 2003
+++ b/drivers/usb/serial/usbserial.c Thu Sep 4 13:48:45 2003
@@ -556,7 +556,10 @@
else
generic_close(port, filp);
port->open_count = 0;
- port->tty = NULL;
+ if (port->tty) {
+ port->tty->driver_data = NULL;
+ port->tty = NULL;
+ }
}
if (port->serial->type->owner)
@@ -1401,12 +1404,9 @@
for (i = 0; i < serial->num_ports; ++i) {
port = &serial->port[i];
down (&port->sem);
- if (port->tty != NULL) {
- while (port->open_count > 0) {
+ if (port->tty != NULL)
+ while (port->open_count > 0)
__serial_close(port, NULL);
- }
- port->tty->driver_data = NULL;
- }
up (&port->sem);
}
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