[media] ttusb-budget: use goto for exception handling

Avoid some repetition by adopting the usual "goto err" idiom for error
handling.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jonathan Nieder 2011-12-31 08:01:56 -03:00 committed by Mauro Carvalho Chehab
parent e4b8537c97
commit 42702de248

View File

@ -1704,10 +1704,8 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
ttusb->i2c_adap.dev.parent = &udev->dev;
result = i2c_add_adapter(&ttusb->i2c_adap);
if (result) {
dvb_unregister_adapter (&ttusb->adapter);
return result;
}
if (result)
goto err_unregister_adapter;
memset(&ttusb->dvb_demux, 0, sizeof(ttusb->dvb_demux));
@ -1724,33 +1722,29 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
ttusb->dvb_demux.stop_feed = ttusb_stop_feed;
ttusb->dvb_demux.write_to_decoder = NULL;
if ((result = dvb_dmx_init(&ttusb->dvb_demux)) < 0) {
result = dvb_dmx_init(&ttusb->dvb_demux);
if (result < 0) {
printk("ttusb_dvb: dvb_dmx_init failed (errno = %d)\n", result);
i2c_del_adapter(&ttusb->i2c_adap);
dvb_unregister_adapter (&ttusb->adapter);
return -ENODEV;
result = -ENODEV;
goto err_i2c_del_adapter;
}
//FIXME dmxdev (nur WAS?)
ttusb->dmxdev.filternum = ttusb->dvb_demux.filternum;
ttusb->dmxdev.demux = &ttusb->dvb_demux.dmx;
ttusb->dmxdev.capabilities = 0;
if ((result = dvb_dmxdev_init(&ttusb->dmxdev, &ttusb->adapter)) < 0) {
result = dvb_dmxdev_init(&ttusb->dmxdev, &ttusb->adapter);
if (result < 0) {
printk("ttusb_dvb: dvb_dmxdev_init failed (errno = %d)\n",
result);
dvb_dmx_release(&ttusb->dvb_demux);
i2c_del_adapter(&ttusb->i2c_adap);
dvb_unregister_adapter (&ttusb->adapter);
return -ENODEV;
result = -ENODEV;
goto err_release_dmx;
}
if (dvb_net_init(&ttusb->adapter, &ttusb->dvbnet, &ttusb->dvb_demux.dmx)) {
printk("ttusb_dvb: dvb_net_init failed!\n");
dvb_dmxdev_release(&ttusb->dmxdev);
dvb_dmx_release(&ttusb->dvb_demux);
i2c_del_adapter(&ttusb->i2c_adap);
dvb_unregister_adapter (&ttusb->adapter);
return -ENODEV;
result = -ENODEV;
goto err_release_dmxdev;
}
usb_set_intfdata(intf, (void *) ttusb);
@ -1758,6 +1752,16 @@ static int ttusb_probe(struct usb_interface *intf, const struct usb_device_id *i
frontend_init(ttusb);
return 0;
err_release_dmxdev:
dvb_dmxdev_release(&ttusb->dmxdev);
err_release_dmx:
dvb_dmx_release(&ttusb->dvb_demux);
err_i2c_del_adapter:
i2c_del_adapter(&ttusb->i2c_adap);
err_unregister_adapter:
dvb_unregister_adapter (&ttusb->adapter);
return result;
}
static void ttusb_disconnect(struct usb_interface *intf)