[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>

1 files 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)