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| author | Johan Hovold <jhovold@gmail.com> | 2013-03-21 12:36:43 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-25 13:48:26 -0700 |
| commit | 79b80b8a1141ba0605e917a6fc12d44383ab29b8 (patch) | |
| tree | 8f9482165cd4dc49b03fb8abd90bd2e6f192d06d /drivers/usb/serial/usb-serial.c | |
| parent | 0f16cfe39eeef47c91aa3c3bf2b49954d5313a58 (diff) | |
| download | lwn-79b80b8a1141ba0605e917a6fc12d44383ab29b8.tar.gz lwn-79b80b8a1141ba0605e917a6fc12d44383ab29b8.zip | |
USB: serial: remove generic release callback
Remove empty generic release implementation and make the release
callback non-mandatory (like attach, probe and disconnect).
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
| -rw-r--r-- | drivers/usb/serial/usb-serial.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index 569b6792c218..4819fd9a639a 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -137,7 +137,7 @@ static void destroy_serial(struct kref *kref) if (serial->minor != SERIAL_TTY_NO_MINOR) return_serial(serial); - if (serial->attached) + if (serial->attached && serial->type->release) serial->type->release(serial); /* Now that nothing is using the ports, they can be freed */ @@ -1305,7 +1305,6 @@ static void fixup_generic(struct usb_serial_driver *device) set_to_generic_if_null(device, chars_in_buffer); set_to_generic_if_null(device, read_bulk_callback); set_to_generic_if_null(device, write_bulk_callback); - set_to_generic_if_null(device, release); set_to_generic_if_null(device, process_read_urb); set_to_generic_if_null(device, prepare_write_buffer); } |