ChangeSet 1.1119.3.4, 2003/09/05 15:46:55-07:00, [EMAIL PROTECTED]
[PATCH] USB: fix oops when yanking a usb-serial device from the system with the port
still opened.
Thanks to Ian Abbott <[EMAIL PROTECTED]> for help finding this bug.
drivers/usb/serial/usbserial.c | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)
diff -Nru a/drivers/usb/serial/usbserial.c b/drivers/usb/serial/usbserial.c
--- a/drivers/usb/serial/usbserial.c Fri Sep 5 17:10:53 2003
+++ b/drivers/usb/serial/usbserial.c Fri Sep 5 17:10:53 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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