i2c tuner and demod are unregisetred in .fini before fe detach. dvb_unregister_frontend() and dvb_frontend_detach() invoke tuner sleep() and release() interfaces. Change to unregister i2c tuner and demod from em28xx_unregister_dvb() after unregistering dvb and detaching fe.
Signed-off-by: Shuah Khan <shuah...@samsung.com> --- drivers/media/usb/em28xx/em28xx-dvb.c | 32 +++++++++++++++++--------------- 1 file changed, 17 insertions(+), 15 deletions(-) diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c index 8314f51..8d5cb62 100644 --- a/drivers/media/usb/em28xx/em28xx-dvb.c +++ b/drivers/media/usb/em28xx/em28xx-dvb.c @@ -1030,6 +1030,8 @@ fail_adapter: static void em28xx_unregister_dvb(struct em28xx_dvb *dvb) { + struct i2c_client *client; + dvb_net_release(&dvb->net); dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_mem); dvb->demux.dmx.remove_frontend(&dvb->demux.dmx, &dvb->fe_hw); @@ -1041,6 +1043,21 @@ static void em28xx_unregister_dvb(struct em28xx_dvb *dvb) if (dvb->fe[1] && !dvb->dont_attach_fe1) dvb_frontend_detach(dvb->fe[1]); dvb_frontend_detach(dvb->fe[0]); + + /* remove I2C tuner */ + client = dvb->i2c_client_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); + } + dvb_unregister_adapter(&dvb->adapter); } @@ -1628,7 +1645,6 @@ static inline void prevent_sleep(struct dvb_frontend_ops *ops) static int em28xx_dvb_fini(struct em28xx *dev) { struct em28xx_dvb *dvb; - struct i2c_client *client; if (dev->is_audio_only) { /* Shouldn't initialize IR for this interface */ @@ -1646,7 +1662,6 @@ static int em28xx_dvb_fini(struct em28xx *dev) em28xx_info("Closing DVB extension"); dvb = dev->dvb; - client = dvb->i2c_client_tuner; em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE); @@ -1659,19 +1674,6 @@ static int em28xx_dvb_fini(struct em28xx *dev) prevent_sleep(&dvb->fe[1]->ops); } - /* 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; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html