From: Frank Gevaerts <[EMAIL PROTECTED]>
If either the driver's open() method or try_module_get() fails, we need to
set 'tty->driver_data' and 'port->tty' to NULL in serial_open(), otherwise
we'll get an OOPS in usb_device_disconnect() when the device is disconnected.
Signed-off-by: Frank Gevaerts <[EMAIL PROTECTED]>
Acked-by: Luiz Fernando N. Capitulino <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/serial/usb-serial.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index cbca340..92c213f 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -237,6 +237,8 @@ bailout_module_put:
module_put(serial->type->driver.owner);
bailout_mutex_unlock:
port->open_count = 0;
+ tty->driver_data = NULL;
+ port->tty = NULL;
mutex_unlock(&port->mutex);
bailout_kref_put:
usb_serial_put(serial);
--
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