[media] dvb-usb: handle errors from dvb_net_init

From an audit of dvb_net_init callers, now that that function
returns -errno on error.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-dvb.c b/drivers/media/dvb/dvb-usb/dvb-usb-dvb.c
index ba4a7517354f..ddf282f355b3 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-dvb.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-dvb.c
@@ -141,11 +141,17 @@ int dvb_usb_adapter_dvb_init(struct dvb_usb_adapter *adap, short *adapter_nums)
                 goto err_dmx_dev;
         }
 
-        dvb_net_init(&adap->dvb_adap, &adap->dvb_net, &adap->demux.dmx);
+        if ((ret = dvb_net_init(&adap->dvb_adap, &adap->dvb_net,
+                                                &adap->demux.dmx)) < 0) {
+                err("dvb_net_init failed: error %d",ret);
+                goto err_net_init;
+        }
 
         adap->state |= DVB_USB_ADAP_STATE_DVB;
         return 0;
 
+err_net_init:
+        dvb_dmxdev_release(&adap->dmxdev);
 err_dmx_dev:
         dvb_dmx_release(&adap->demux);
 err_dmx: