diff options
| author |   Frank Gevaerts <frank.gevaerts@fks.be> | 2006-06-14 15:52:05 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2006-06-21 15:04:17 -0700 |
| commit | b059c81af7a1759a911cfc20ce8a4bf47c435830 (patch) | |
| tree | 397568ad8fe0ebfd2ee504919f7ae8f12657703f /drivers | |
| parent | [PATCH] USB: trivial DEBUG message correction in gadget ether driver (diff) | |
| download | linux-dev-b059c81af7a1759a911cfc20ce8a4bf47c435830.tar.xz linux-dev-b059c81af7a1759a911cfc20ce8a4bf47c435830.zip | |
[PATCH] USB Serial: clean tty fields on failed device open
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 <frank.gevaerts@fks.be>
Acked-by: Luiz Fernando N. Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | 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 cbca3402d6cd..92c213fa9317 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); |