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[media] media: em28xx - add error handling for KWORLD dvb_attach failures

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Add error hanlding when EM2870_BOARD_KWORLD_A340 dvb_attach()
for fe and tuner fail in em28xx_dvb_init().

Signed-off-by: Shuah Khan <shuah.kh@samsung.com>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Shuah Khan 2014-07-09 17:36:23 -03:00 committed by Mauro Carvalho Chehab
parent 6eb5e3399e
commit 4db8954afa
1 changed files with 11 additions and 3 deletions
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14
drivers/media/usb/em28xx/em28xx-dvb.c
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@ -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 */