diff options
| -rw-r--r-- | drivers/media/dvb-frontends/zd1301_demod.h | 18 | ||||
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/zd1301.c | 4 |
2 files changed, 22 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/zd1301_demod.h b/drivers/media/dvb-frontends/zd1301_demod.h index 78a3122e4942..ceb2e05e873c 100644 --- a/drivers/media/dvb-frontends/zd1301_demod.h +++ b/drivers/media/dvb-frontends/zd1301_demod.h @@ -34,6 +34,7 @@ struct zd1301_demod_platform_data { int (*reg_write)(void *, u16, u8); }; +#if IS_REACHABLE(CONFIG_DVB_ZD1301_DEMOD) /** * zd1301_demod_get_dvb_frontend() - Get pointer to DVB frontend * @pdev: Pointer to platform device @@ -52,4 +53,21 @@ struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *); struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *); +#else + +static inline struct dvb_frontend *zd1301_demod_get_dvb_frontend(struct platform_device *dev) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + + return NULL; +} +static inline struct i2c_adapter *zd1301_demod_get_i2c_adapter(struct platform_device *dev) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + + return NULL; +} + +#endif + #endif /* ZD1301_DEMOD_H */ diff --git a/drivers/media/usb/dvb-usb-v2/zd1301.c b/drivers/media/usb/dvb-usb-v2/zd1301.c index 563e50c6a327..d1eb4b7bc051 100644 --- a/drivers/media/usb/dvb-usb-v2/zd1301.c +++ b/drivers/media/usb/dvb-usb-v2/zd1301.c @@ -168,6 +168,10 @@ static int zd1301_frontend_attach(struct dvb_usb_adapter *adap) adapter = zd1301_demod_get_i2c_adapter(pdev); frontend = zd1301_demod_get_dvb_frontend(pdev); + if (!adapter || !frontend) { + ret = -ENODEV; + goto err_module_put_demod; + } /* Add I2C tuner */ dev->mt2060_pdata.i2c_write_max = 9; |
