From 42702de248d9edff22efe25e275c211a5bb80baf Mon Sep 17 00:00:00 2001 From: Jonathan Nieder Date: Sat, 31 Dec 2011 08:01:56 -0300 Subject: [PATCH] [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 Signed-off-by: Mauro Carvalho Chehab --- .../media/dvb/ttusb-budget/dvb-ttusb-budget.c | 40 ++++++++++--------- 1 file changed, 22 insertions(+), 18 deletions(-) diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c index 5f6ac48198f0..8aa01149351a 100644 --- a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c +++ b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c @@ -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) -- 2.34.1