diff options
Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-dvb.c')
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-dvb.c | 40 |
1 files changed, 18 insertions, 22 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c index a121ed9561fd..3a3e243edf89 100644 --- a/drivers/media/usb/em28xx/em28xx-dvb.c +++ b/drivers/media/usb/em28xx/em28xx-dvb.c @@ -1213,9 +1213,17 @@ static int em28xx_dvb_init(struct em28xx *dev) dvb->fe[0] = dvb_attach(lgdt3305_attach, &em2870_lgdt3304_dev, &dev->i2c_adap[dev->def_i2c_bus]); - if (dvb->fe[0] != NULL) - dvb_attach(tda18271_attach, dvb->fe[0], 0x60, - &dev->i2c_adap[dev->def_i2c_bus], &kworld_a340_config); + if (!dvb->fe[0]) { + result = -EINVAL; + goto out_free; + } + if (!dvb_attach(tda18271_attach, dvb->fe[0], 0x60, + &dev->i2c_adap[dev->def_i2c_bus], + &kworld_a340_config)) { + dvb_frontend_detach(dvb->fe[0]); + result = -EINVAL; + goto out_free; + } break; case EM28174_BOARD_PCTV_290E: /* set default GPIO0 for LNA, used if GPIOLIB is undefined */ @@ -1545,6 +1553,7 @@ static int em28xx_dvb_init(struct em28xx *dev) dvb->i2c_client_demod = client; /* attach tuner */ + memset(&si2157_config, 0, sizeof(si2157_config)); si2157_config.fe = dvb->fe[0]; memset(&info, 0, sizeof(struct i2c_board_info)); strlcpy(info.type, "si2157", I2C_NAME_SIZE); @@ -1645,10 +1654,14 @@ static int em28xx_dvb_fini(struct em28xx *dev) if (dev->disconnected) { /* We cannot tell the device to sleep * once it has been unplugged. */ - if (dvb->fe[0]) + if (dvb->fe[0]) { prevent_sleep(&dvb->fe[0]->ops); - if (dvb->fe[1]) + dvb->fe[0]->exit = DVB_FE_DEVICE_REMOVED; + } + if (dvb->fe[1]) { prevent_sleep(&dvb->fe[1]->ops); + dvb->fe[1]->exit = DVB_FE_DEVICE_REMOVED; + } } /* remove I2C tuner */ @@ -1712,7 +1725,6 @@ static int em28xx_dvb_resume(struct em28xx *dev) em28xx_info("Resuming DVB extension"); if (dev->dvb) { struct em28xx_dvb *dvb = dev->dvb; - struct i2c_client *client = dvb->i2c_client_tuner; if (dvb->fe[0]) { ret = dvb_frontend_resume(dvb->fe[0]); @@ -1723,22 +1735,6 @@ static int em28xx_dvb_resume(struct em28xx *dev) ret = dvb_frontend_resume(dvb->fe[1]); em28xx_info("fe1 resume %d", ret); } - /* remove I2C tuner */ - if (client) { - module_put(client->dev.driver->owner); - i2c_unregister_device(client); - } - - /* remove I2C demod */ - client = dvb->i2c_client_demod; - if (client) { - module_put(client->dev.driver->owner); - i2c_unregister_device(client); - } - - em28xx_unregister_dvb(dvb); - kfree(dvb); - dev->dvb = NULL; } return 0; |