V4L/DVB (4386): Convert DVB devices to use dvb_attach()

Only devices using > 1 frontend were ported; ones which did not are left
using static binding.
Signed-off-by: NAndrew de Quincey <adq_dvb@lidskialf.net>
Acked-by: NMichael Krufky <mkrufky@linuxtv.org>
Acked-by: NTrent Piepho <xyzzy@speakeasy.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/dvb/b2c2/flexcop-fe-tuner.c

@@ -505,7 +505,7 @@ int flexcop_frontend_init(struct flexcop_device *fc)
 	struct dvb_frontend_ops *ops;
 
 	/* try the sky v2.6 (stv0299/Samsung tbmu24112(sl1935)) */
-	if ((fc->fe = stv0299_attach(&samsung_tbmu24112_config, &fc->i2c_adap)) != NULL) {
+	if ((fc->fe = dvb_attach(stv0299_attach, &samsung_tbmu24112_config, &fc->i2c_adap)) != NULL) {
 		ops = &fc->fe->ops;
 
 		ops->tuner_ops.set_params = samsung_tbmu24112_tuner_set_params;
@@ -519,36 +519,36 @@ int flexcop_frontend_init(struct flexcop_device *fc)
 		info("found the stv0299 at i2c address: 0x%02x",samsung_tbmu24112_config.demod_address);
 	} else
 	/* try the air dvb-t (mt352/Samsung tdtc9251dh0(??)) */
-	if ((fc->fe = mt352_attach(&samsung_tdtc9251dh0_config, &fc->i2c_adap)) != NULL ) {
+	if ((fc->fe = dvb_attach(mt352_attach, &samsung_tdtc9251dh0_config, &fc->i2c_adap)) != NULL ) {
 		fc->dev_type          = FC_AIR_DVB;
 		fc->fe->ops.tuner_ops.calc_regs = samsung_tdtc9251dh0_calc_regs;
 		info("found the mt352 at i2c address: 0x%02x",samsung_tdtc9251dh0_config.demod_address);
 	} else
 	/* try the air atsc 2nd generation (nxt2002) */
-	if ((fc->fe = nxt200x_attach(&samsung_tbmv_config, &fc->i2c_adap)) != NULL) {
+	if ((fc->fe = dvb_attach(nxt200x_attach, &samsung_tbmv_config, &fc->i2c_adap)) != NULL) {
 		fc->dev_type          = FC_AIR_ATSC2;
 		dvb_attach(dvb_pll_attach, fc->fe, 0x61, &fc->i2c_adap, &dvb_pll_samsung_tbmv);
 		info("found the nxt2002 at i2c address: 0x%02x",samsung_tbmv_config.demod_address);
 	} else
 	/* try the air atsc 3nd generation (lgdt3303) */
-	if ((fc->fe = lgdt330x_attach(&air2pc_atsc_hd5000_config, &fc->i2c_adap)) != NULL) {
+	if ((fc->fe = dvb_attach(lgdt330x_attach, &air2pc_atsc_hd5000_config, &fc->i2c_adap)) != NULL) {
 		fc->dev_type          = FC_AIR_ATSC3;
 		fc->fe->ops.tuner_ops.set_params = lgdt3303_tuner_set_params;
 		info("found the lgdt3303 at i2c address: 0x%02x",air2pc_atsc_hd5000_config.demod_address);
 	} else
 	/* try the air atsc 1nd generation (bcm3510)/panasonic ct10s */
-	if ((fc->fe = bcm3510_attach(&air2pc_atsc_first_gen_config, &fc->i2c_adap)) != NULL) {
+	if ((fc->fe = dvb_attach(bcm3510_attach, &air2pc_atsc_first_gen_config, &fc->i2c_adap)) != NULL) {
 		fc->dev_type          = FC_AIR_ATSC1;
 		info("found the bcm3510 at i2c address: 0x%02x",air2pc_atsc_first_gen_config.demod_address);
 	} else
 	/* try the cable dvb (stv0297) */
-	if ((fc->fe = stv0297_attach(&alps_tdee4_stv0297_config, &fc->i2c_adap)) != NULL) {
+	if ((fc->fe = dvb_attach(stv0297_attach, &alps_tdee4_stv0297_config, &fc->i2c_adap)) != NULL) {
 		fc->dev_type                        = FC_CABLE;
 		fc->fe->ops.tuner_ops.set_params = alps_tdee4_stv0297_tuner_set_params;
 		info("found the stv0297 at i2c address: 0x%02x",alps_tdee4_stv0297_config.demod_address);
 	} else
 	/* try the sky v2.3 (vp310/Samsung tbdu18132(tsa5059)) */
-	if ((fc->fe = vp310_mt312_attach(&skystar23_samsung_tbdu18132_config, &fc->i2c_adap)) != NULL) {
+	if ((fc->fe = dvb_attach(vp310_mt312_attach, &skystar23_samsung_tbdu18132_config, &fc->i2c_adap)) != NULL) {
 		ops = &fc->fe->ops;
 
 		ops->tuner_ops.set_params = skystar23_samsung_tbdu18132_tuner_set_params;
@@ -571,9 +571,9 @@ int flexcop_frontend_init(struct flexcop_device *fc)
 	} else {
 		if (dvb_register_frontend(&fc->dvb_adapter, fc->fe)) {
 			err("frontend registration failed!");
-			ops = &fc->fe->ops;
-			if (ops->release != NULL)
-				ops->release(fc->fe);
+			dvb_detach(fc->fe->ops.release_sec, fc->fe);
+			dvb_detach(fc->fe->ops.tuner_ops.release, fc->fe);
+			dvb_detach(fc->fe->ops.release, fc->fe);
 			fc->fe = NULL;
 			return -EINVAL;
 		}
@@ -584,8 +584,12 @@ int flexcop_frontend_init(struct flexcop_device *fc)
 
 void flexcop_frontend_exit(struct flexcop_device *fc)
 {
-	if (fc->init_state & FC_STATE_FE_INIT)
+	if (fc->init_state & FC_STATE_FE_INIT) {
 		dvb_unregister_frontend(fc->fe);
+		dvb_detach(fc->fe->ops.release_sec, fc->fe);
+		dvb_detach(fc->fe->ops.tuner_ops.release, fc->fe);
+		dvb_detach(fc->fe->ops.release, fc->fe);
+	}
 
 	fc->init_state &= ~FC_STATE_FE_INIT;
 }

drivers/media/dvb/bt8xx/dst.c

@@ -1715,6 +1715,10 @@ static int dst_get_frontend(struct dvb_frontend *fe, struct dvb_frontend_paramet
 static void dst_release(struct dvb_frontend *fe)
 {
 	struct dst_state *state = fe->demodulator_priv;
+
+	if (state->dst_hw_cap & DST_TYPE_HAS_CA)
+		symbol_put(dst_ca_attach);
+
 	kfree(state);
 }
 

drivers/media/dvb/bt8xx/dst_ca.c

@@ -699,12 +699,12 @@ static struct dvb_device dvbdev_ca = {
 	.fops = &dst_ca_fops
 };
 
-int dst_ca_attach(struct dst_state *dst, struct dvb_adapter *dvb_adapter)
+ssize_t dst_ca_attach(struct dst_state *dst, struct dvb_adapter *dvb_adapter)
 {
 	struct dvb_device *dvbdev;
 	dprintk(verbose, DST_CA_ERROR, 1, "registering DST-CA device");
 	dvb_register_device(dvb_adapter, &dvbdev, &dvbdev_ca, dst, DVB_DEVICE_CA);
-	return 0;
+	return 1; // must return non-zero for dvb_attach() to work
 }
 
 EXPORT_SYMBOL(dst_ca_attach);

drivers/media/dvb/bt8xx/dst_common.h

@@ -178,7 +178,7 @@ int write_dst(struct dst_state *state, u8 * data, u8 len);
 int read_dst(struct dst_state *state, u8 * ret, u8 len);
 u8 dst_check_sum(u8 * buf, u32 len);
 struct dst_state* dst_attach(struct dst_state* state, struct dvb_adapter *dvb_adapter);
-int dst_ca_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter);
+ssize_t dst_ca_attach(struct dst_state *state, struct dvb_adapter *dvb_adapter);
 int dst_gpio_outb(struct dst_state* state, u32 mask, u32 enbb, u32 outhigh, int delay);
 
 int dst_command(struct dst_state* state, u8 * data, u8 len);

drivers/media/dvb/bt8xx/dvb-bt8xx.c

@@ -67,7 +67,7 @@ static void dvb_bt8xx_task(unsigned long data)
 
 static int dvb_bt8xx_start_feed(struct dvb_demux_feed *dvbdmxfeed)
 {
-	struct dvb_demux *dvbdmx = dvbdmxfeed->demux;
+	struct dvb_demux*dvbdmx = dvbdmxfeed->demux;
 	struct dvb_bt8xx_card *card = dvbdmx->priv;
 	int rc;
 
@@ -595,15 +595,14 @@ static void lgdt330x_reset(struct dvb_bt8xx_card *bt)
 
 static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 {
-	int ret;
 	struct dst_state* state = NULL;
 
 	switch(type) {
 	case BTTV_BOARD_DVICO_DVBT_LITE:
-		card->fe = mt352_attach(&thomson_dtt7579_config, card->i2c_adapter);
+		card->fe = dvb_attach(mt352_attach, &thomson_dtt7579_config, card->i2c_adapter);
 
 		if (card->fe == NULL)
-			card->fe = zl10353_attach(&thomson_dtt7579_zl10353_config,
+			card->fe = dvb_attach(zl10353_attach, &thomson_dtt7579_zl10353_config,
 						  card->i2c_adapter);
 
 		if (card->fe != NULL) {
@@ -615,7 +614,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 
 	case BTTV_BOARD_DVICO_FUSIONHDTV_5_LITE:
 		lgdt330x_reset(card);
-		card->fe = lgdt330x_attach(&tdvs_tua6034_config, card->i2c_adapter);
+		card->fe = dvb_attach(lgdt330x_attach, &tdvs_tua6034_config, card->i2c_adapter);
 		if (card->fe != NULL) {
 			card->fe->ops.tuner_ops.set_params = tdvs_tua6034_tuner_set_params;
 			dprintk ("dvb_bt8xx: lgdt330x detected\n");
@@ -630,7 +629,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 
 		/* Old Nebula (marked (c)2003 on high profile pci card) has nxt6000 demod */
 		digitv_alps_tded4_reset(card);
-		card->fe = nxt6000_attach(&vp3021_alps_tded4_config, card->i2c_adapter);
+		card->fe = dvb_attach(nxt6000_attach, &vp3021_alps_tded4_config, card->i2c_adapter);
 		if (card->fe != NULL) {
 			card->fe->ops.tuner_ops.set_params = vp3021_alps_tded4_tuner_set_params;
 			dprintk ("dvb_bt8xx: an nxt6000 was detected on your digitv card\n");
@@ -639,7 +638,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 
 		/* New Nebula (marked (c)2005 on low profile pci card) has mt352 demod */
 		digitv_alps_tded4_reset(card);
-		card->fe = mt352_attach(&digitv_alps_tded4_config, card->i2c_adapter);
+		card->fe = dvb_attach(mt352_attach, &digitv_alps_tded4_config, card->i2c_adapter);
 
 		if (card->fe != NULL) {
 			card->fe->ops.tuner_ops.calc_regs = digitv_alps_tded4_tuner_calc_regs;
@@ -648,14 +647,14 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 		break;
 
 	case BTTV_BOARD_AVDVBT_761:
-		card->fe = sp887x_attach(&microtune_mt7202dtf_config, card->i2c_adapter);
+		card->fe = dvb_attach(sp887x_attach, &microtune_mt7202dtf_config, card->i2c_adapter);
 		if (card->fe) {
 			card->fe->ops.tuner_ops.set_params = microtune_mt7202dtf_tuner_set_params;
 		}
 		break;
 
 	case BTTV_BOARD_AVDVBT_771:
-		card->fe = mt352_attach(&advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
+		card->fe = dvb_attach(mt352_attach, &advbt771_samsung_tdtc9251dh0_config, card->i2c_adapter);
 		if (card->fe != NULL) {
 			card->fe->ops.tuner_ops.calc_regs = advbt771_samsung_tdtc9251dh0_tuner_calc_regs;
 			card->fe->ops.info.frequency_min = 174000000;
@@ -672,7 +671,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 		state->bt = card->bt;
 
 		/*	DST is not a frontend, attaching the ASIC	*/
-		if ((dst_attach(state, &card->dvb_adapter)) == NULL) {
+		if (dvb_attach(dst_attach, state, &card->dvb_adapter) == NULL) {
 			printk("%s: Could not find a Twinhan DST.\n", __FUNCTION__);
 			break;
 		}
@@ -681,11 +680,11 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 		/*	Attach other DST peripherals if any		*/
 		/*	Conditional Access device			*/
 		if (state->dst_hw_cap & DST_TYPE_HAS_CA)
-			ret = dst_ca_attach(state, &card->dvb_adapter);
+			dvb_attach(dst_ca_attach, state, &card->dvb_adapter);
 		break;
 
 	case BTTV_BOARD_PINNACLESAT:
-		card->fe = cx24110_attach(&pctvsat_config, card->i2c_adapter);
+		card->fe = dvb_attach(cx24110_attach, &pctvsat_config, card->i2c_adapter);
 		if (card->fe) {
 			card->fe->ops.tuner_ops.init = pinnsat_tuner_init;
 			card->fe->ops.tuner_ops.sleep = pinnsat_tuner_sleep;
@@ -694,7 +693,7 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 		break;
 
 	case BTTV_BOARD_PC_HDTV:
-		card->fe = or51211_attach(&or51211_config, card->i2c_adapter);
+		card->fe = dvb_attach(or51211_attach, &or51211_config, card->i2c_adapter);
 		break;
 	}
 
@@ -707,8 +706,9 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
 	else
 		if (dvb_register_frontend(&card->dvb_adapter, card->fe)) {
 			printk("dvb-bt8xx: Frontend registration failed!\n");
-			if (card->fe->ops.release)
-				card->fe->ops.release(card->fe);
+			dvb_detach(card->fe->ops.release_sec, card->fe);
+			dvb_detach(card->fe->ops.tuner_ops.release, card->fe);
+			dvb_detach(card->fe->ops.release, card->fe);
 			card->fe = NULL;
 		}
 }
@@ -925,8 +925,12 @@ static void dvb_bt8xx_remove(struct bttv_sub_device *sub)
 	card->demux.dmx.remove_frontend(&card->demux.dmx, &card->fe_hw);
 	dvb_dmxdev_release(&card->dmxdev);
 	dvb_dmx_release(&card->demux);
-	if (card->fe)
+	if (card->fe) {
 		dvb_unregister_frontend(card->fe);
+		dvb_detach(card->fe->ops.release_sec, card->fe);
+		dvb_detach(card->fe->ops.tuner_ops.release, card->fe);
+		dvb_detach(card->fe->ops.release, card->fe);
+	}
 	dvb_unregister_adapter(&card->dvb_adapter);
 
 	kfree(card);

drivers/media/dvb/dvb-usb/cxusb.c

@@ -409,7 +409,7 @@ static int cxusb_cx22702_frontend_attach(struct dvb_usb_device *d)
 
 	cxusb_ctrl_msg(d,CMD_DIGITAL, NULL, 0, &b, 1);
 
-	if ((d->fe = cx22702_attach(&cxusb_cx22702_config, &d->i2c_adap)) != NULL)
+	if ((d->fe = dvb_attach(cx22702_attach, &cxusb_cx22702_config, &d->i2c_adap)) != NULL)
 		return 0;
 
 	return -EIO;
@@ -422,7 +422,7 @@ static int cxusb_lgdt3303_frontend_attach(struct dvb_usb_device *d)
 
 	cxusb_ctrl_msg(d,CMD_DIGITAL, NULL, 0, NULL, 0);
 
-	if ((d->fe = lgdt330x_attach(&cxusb_lgdt3303_config, &d->i2c_adap)) != NULL)
+	if ((d->fe = dvb_attach(lgdt330x_attach, &cxusb_lgdt3303_config, &d->i2c_adap)) != NULL)
 		return 0;
 
 	return -EIO;
@@ -435,7 +435,7 @@ static int cxusb_mt352_frontend_attach(struct dvb_usb_device *d)
 
 	cxusb_ctrl_msg(d,CMD_DIGITAL, NULL, 0, NULL, 0);
 
-	if ((d->fe = mt352_attach(&cxusb_mt352_config, &d->i2c_adap)) != NULL)
+	if ((d->fe = dvb_attach(mt352_attach, &cxusb_mt352_config, &d->i2c_adap)) != NULL)
 		return 0;
 
 	return -EIO;
@@ -448,8 +448,8 @@ static int cxusb_dee1601_frontend_attach(struct dvb_usb_device *d)
 
 	cxusb_ctrl_msg(d,CMD_DIGITAL, NULL, 0, NULL, 0);
 
-	if (((d->fe = mt352_attach(&cxusb_dee1601_config, &d->i2c_adap)) != NULL) ||
-	    ((d->fe = zl10353_attach(&cxusb_zl10353_dee1601_config, &d->i2c_adap)) != NULL))
+	if (((d->fe = dvb_attach(mt352_attach, &cxusb_dee1601_config, &d->i2c_adap)) != NULL) ||
+		((d->fe = dvb_attach(zl10353_attach, &cxusb_zl10353_dee1601_config, &d->i2c_adap)) != NULL))
 		return 0;
 
 	return -EIO;

drivers/media/dvb/dvb-usb/digitv.c

@@ -128,11 +128,11 @@ static struct nxt6000_config digitv_nxt6000_config = {
 
 static int digitv_frontend_attach(struct dvb_usb_device *d)
 {
-	if ((d->fe = mt352_attach(&digitv_mt352_config, &d->i2c_adap)) != NULL) {
+	if ((d->fe = dvb_attach(mt352_attach, &digitv_mt352_config, &d->i2c_adap)) != NULL) {
 		d->fe->ops.tuner_ops.calc_regs = dvb_usb_tuner_calc_regs;
 		return 0;
 	}
-	if ((d->fe = nxt6000_attach(&digitv_nxt6000_config, &d->i2c_adap)) != NULL) {
+	if ((d->fe = dvb_attach(nxt6000_attach, &digitv_nxt6000_config, &d->i2c_adap)) != NULL) {
 		d->fe->ops.tuner_ops.set_params = digitv_nxt6000_tuner_set_params;
 		return 0;
 	}

drivers/media/dvb/dvb-usb/dvb-usb-dvb.c

@@ -188,8 +188,9 @@ int dvb_usb_fe_init(struct dvb_usb_device* d)
 
 		if (dvb_register_frontend(&d->dvb_adap, d->fe)) {
 			err("Frontend registration failed.");
-			if (d->fe->ops.release)
-				d->fe->ops.release(d->fe);
+			dvb_detach(d->fe->ops.release_sec, d->fe);
+			dvb_detach(d->fe->ops.tuner_ops.release, d->fe);
+			dvb_detach(d->fe->ops.release, d->fe);
 			d->fe = NULL;
 			return -ENODEV;
 		}
@@ -204,7 +205,11 @@ int dvb_usb_fe_init(struct dvb_usb_device* d)
 
 int dvb_usb_fe_exit(struct dvb_usb_device *d)
 {
-	if (d->fe != NULL)
+	if (d->fe != NULL) {
 		dvb_unregister_frontend(d->fe);
+		dvb_detach(d->fe->ops.release_sec, d->fe);
+		dvb_detach(d->fe->ops.tuner_ops.release, d->fe);
+		dvb_detach(d->fe->ops.release, d->fe);
+	}
 	return 0;
 }

drivers/media/dvb/dvb-usb/umt-010.c

@@ -58,7 +58,7 @@ static int umt_mt352_frontend_attach(struct dvb_usb_device *d)
 	umt_config.demod_init = umt_mt352_demod_init;
 	umt_config.demod_address = 0xf;
 
-	d->fe = mt352_attach(&umt_config, &d->i2c_adap);
+	d->fe = dvb_attach(mt352_attach, &umt_config, &d->i2c_adap);
 
 	return 0;
 }

drivers/media/dvb/frontends/dvb-pll.c

@@ -611,7 +611,7 @@ static struct dvb_tuner_ops dvb_pll_tuner_ops = {
 	.get_bandwidth = dvb_pll_get_bandwidth,
 };
 
-int dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struct i2c_adapter *i2c, struct dvb_pll_desc *desc)
+struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struct i2c_adapter *i2c, struct dvb_pll_desc *desc)
 {
 	u8 b1 [] = { 0 };
 	struct i2c_msg msg = { .addr = pll_addr, .flags = I2C_M_RD, .buf = b1, .len = 1 };
@@ -624,14 +624,14 @@ int dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struct i2c_adapter *i2
 
 		ret = i2c_transfer (i2c, &msg, 1);
 		if (ret != 1)
-			return -1;
+			return NULL;
 		if (fe->ops.i2c_gate_ctrl)
 			     fe->ops.i2c_gate_ctrl(fe, 0);
 	}
 
 	priv = kzalloc(sizeof(struct dvb_pll_priv), GFP_KERNEL);
 	if (priv == NULL)
-		return -ENOMEM;
+		return NULL;
 
 	priv->pll_i2c_address = pll_addr;
 	priv->i2c = i2c;
@@ -643,7 +643,7 @@ int dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struct i2c_adapter *i2
 	fe->ops.tuner_ops.info.frequency_min = desc->max;
 
 	fe->tuner_priv = priv;
-	return 0;
+	return fe;
 }
 EXPORT_SYMBOL(dvb_pll_attach);
 

drivers/media/dvb/frontends/dvb-pll.h

@@ -57,8 +57,8 @@ extern int dvb_pll_configure(struct dvb_pll_desc *desc, u8 *buf,
  * @param pll_addr i2c address of the PLL (if used).
  * @param i2c i2c adapter to use (set to NULL if not used).
  * @param desc dvb_pll_desc to use.
- * @return 0 on success, nonzero on failure.
+ * @return Frontend pointer on success, NULL on failure
  */
-extern int dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struct i2c_adapter *i2c, struct dvb_pll_desc *desc);
+extern struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, struct i2c_adapter *i2c, struct dvb_pll_desc *desc);
 
 #endif

drivers/media/dvb/ttpci/av7110.c

@@ -1383,8 +1383,12 @@ static void dvb_unregister(struct av7110 *av7110)
 	dvb_dmxdev_release(&av7110->dmxdev);
 	dvb_dmx_release(&av7110->demux);
 
-	if (av7110->fe != NULL)
+	if (av7110->fe != NULL) {
 		dvb_unregister_frontend(av7110->fe);
+		dvb_detach(av7110->fe->ops.release_sec, av7110->fe);
+		dvb_detach(av7110->fe->ops.tuner_ops.release, av7110->fe);
+		dvb_detach(av7110->fe->ops.release, av7110->fe);
+	}
 	dvb_unregister_device(av7110->osd_dev);
 	av7110_av_unregister(av7110);
 	av7110_ca_unregister(av7110);
@@ -2077,7 +2081,7 @@ static int frontend_init(struct av7110 *av7110)
 	if (av7110->dev->pci->subsystem_vendor == 0x110a) {
 		switch(av7110->dev->pci->subsystem_device) {
 		case 0x0000: // Fujitsu/Siemens DVB-Cable (ves1820/Philips CD1516(??))
-			av7110->fe = ves1820_attach(&philips_cd1516_config,
+			av7110->fe = dvb_attach(ves1820_attach, &philips_cd1516_config,
 						    &av7110->i2c_adap, read_pwm(av7110));
 			if (av7110->fe) {
 				av7110->fe->ops.tuner_ops.set_params = philips_cd1516_tuner_set_params;
@@ -2092,7 +2096,7 @@ static int frontend_init(struct av7110 *av7110)
 		case 0x1002: // Hauppauge/TT WinTV DVB-S rev1.3SE
 
 			// try the ALPS BSRV2 first of all
-			av7110->fe = ves1x93_attach(&alps_bsrv2_config, &av7110->i2c_adap);
+			av7110->fe = dvb_attach(ves1x93_attach, &alps_bsrv2_config, &av7110->i2c_adap);
 			if (av7110->fe) {
 				av7110->fe->ops.tuner_ops.set_params = alps_bsrv2_tuner_set_params;
 				av7110->fe->ops.diseqc_send_master_cmd = av7110_diseqc_send_master_cmd;
@@ -2103,7 +2107,7 @@ static int frontend_init(struct av7110 *av7110)
 			}
 
 			// try the ALPS BSRU6 now
-			av7110->fe = stv0299_attach(&alps_bsru6_config, &av7110->i2c_adap);
+			av7110->fe = dvb_attach(stv0299_attach, &alps_bsru6_config, &av7110->i2c_adap);
 			if (av7110->fe) {
 				av7110->fe->ops.tuner_ops.set_params = alps_bsru6_tuner_set_params;
 				av7110->fe->tuner_priv = &av7110->i2c_adap;
@@ -2116,7 +2120,7 @@ static int frontend_init(struct av7110 *av7110)
 			}
 
 			// Try the grundig 29504-451
-			av7110->fe = tda8083_attach(&grundig_29504_451_config, &av7110->i2c_adap);
+			av7110->fe = dvb_attach(tda8083_attach, &grundig_29504_451_config, &av7110->i2c_adap);
 			if (av7110->fe) {
 				av7110->fe->ops.tuner_ops.set_params = grundig_29504_451_tuner_set_params;
 				av7110->fe->ops.diseqc_send_master_cmd = av7110_diseqc_send_master_cmd;
@@ -2130,7 +2134,7 @@ static int frontend_init(struct av7110 *av7110)
 			switch(av7110->dev->pci->subsystem_device) {
 			case 0x0000:
 				/* Siemens DVB-C (full-length card) VES1820/Philips CD1516 */
-				av7110->fe = ves1820_attach(&philips_cd1516_config, &av7110->i2c_adap,
+				av7110->fe = dvb_attach(ves1820_attach, &philips_cd1516_config, &av7110->i2c_adap,
 							read_pwm(av7110));
 				if (av7110->fe) {
 					av7110->fe->ops.tuner_ops.set_params = philips_cd1516_tuner_set_params;
@@ -2138,7 +2142,7 @@ static int frontend_init(struct av7110 *av7110)
 				break;
 			case 0x0003:
 				/* Hauppauge DVB-C 2.1 VES1820/ALPS TDBE2 */
-				av7110->fe = ves1820_attach(&alps_tdbe2_config, &av7110->i2c_adap,
+				av7110->fe = dvb_attach(ves1820_attach, &alps_tdbe2_config, &av7110->i2c_adap,
 							read_pwm(av7110));
 				if (av7110->fe) {
 					av7110->fe->ops.tuner_ops.set_params = alps_tdbe2_tuner_set_params;
@@ -2150,7 +2154,7 @@ static int frontend_init(struct av7110 *av7110)
 		case 0x0001: // Hauppauge/TT Nexus-T premium rev1.X
 
 			// ALPS TDLB7
-			av7110->fe = sp8870_attach(&alps_tdlb7_config, &av7110->i2c_adap);
+			av7110->fe = dvb_attach(sp8870_attach, &alps_tdlb7_config, &av7110->i2c_adap);
 			if (av7110->fe) {
 				av7110->fe->ops.tuner_ops.set_params = alps_tdlb7_tuner_set_params;
 			}
@@ -2158,7 +2162,7 @@ static int frontend_init(struct av7110 *av7110)
 
 		case 0x0002: // Hauppauge/TT DVB-C premium rev2.X
 
-			av7110->fe = ves1820_attach(&alps_tdbe2_config, &av7110->i2c_adap, read_pwm(av7110));
+			av7110->fe = dvb_attach(ves1820_attach, &alps_tdbe2_config, &av7110->i2c_adap, read_pwm(av7110));
 			if (av7110->fe) {
 				av7110->fe->ops.tuner_ops.set_params = alps_tdbe2_tuner_set_params;
 			}
@@ -2166,7 +2170,7 @@ static int frontend_init(struct av7110 *av7110)
 
 		case 0x0004: // Galaxis DVB-S rev1.3
 			/* ALPS BSRV2 */
-			av7110->fe = ves1x93_attach(&alps_bsrv2_config, &av7110->i2c_adap);
+			av7110->fe = dvb_attach(ves1x93_attach, &alps_bsrv2_config, &av7110->i2c_adap);
 			if (av7110->fe) {
 				av7110->fe->ops.tuner_ops.set_params = alps_bsrv2_tuner_set_params;
 				av7110->fe->ops.diseqc_send_master_cmd = av7110_diseqc_send_master_cmd;
@@ -2178,7 +2182,7 @@ static int frontend_init(struct av7110 *av7110)
 
 		case 0x0006: /* Fujitsu-Siemens DVB-S rev 1.6 */
 			/* Grundig 29504-451 */
-			av7110->fe = tda8083_attach(&grundig_29504_451_config, &av7110->i2c_adap);
+			av7110->fe = dvb_attach(tda8083_attach, &grundig_29504_451_config, &av7110->i2c_adap);
 			if (av7110->fe) {
 				av7110->fe->ops.tuner_ops.set_params = grundig_29504_451_tuner_set_params;
 				av7110->fe->ops.diseqc_send_master_cmd = av7110_diseqc_send_master_cmd;
@@ -2190,7 +2194,7 @@ static int frontend_init(struct av7110 *av7110)
 
 		case 0x0008: // Hauppauge/TT DVB-T
 
-			av7110->fe = l64781_attach(&grundig_29504_401_config, &av7110->i2c_adap);
+			av7110->fe = dvb_attach(l64781_attach, &grundig_29504_401_config, &av7110->i2c_adap);
 			if (av7110->fe) {
 				av7110->fe->ops.tuner_ops.set_params = grundig_29504_401_tuner_set_params;
 			}
@@ -2198,7 +2202,7 @@ static int frontend_init(struct av7110 *av7110)
 
 		case 0x000A: // Hauppauge/TT Nexus-CA rev1.X
 
-			av7110->fe = stv0297_attach(&nexusca_stv0297_config, &av7110->i2c_adap);
+			av7110->fe = dvb_attach(stv0297_attach, &nexusca_stv0297_config, &av7110->i2c_adap);
 			if (av7110->fe) {
 				av7110->fe->ops.tuner_ops.set_params = nexusca_stv0297_tuner_set_params;
 
@@ -2214,12 +2218,12 @@ static int frontend_init(struct av7110 *av7110)
 
 		case 0x000E: /* Hauppauge/TT Nexus-S rev 2.3 */
 			/* ALPS BSBE1 */
-			av7110->fe = stv0299_attach(&alps_bsbe1_config, &av7110->i2c_adap);
+			av7110->fe = dvb_attach(stv0299_attach, &alps_bsbe1_config, &av7110->i2c_adap);
 			if (av7110->fe) {
 				av7110->fe->ops.tuner_ops.set_params = alps_bsbe1_tuner_set_params;
 				av7110->fe->tuner_priv = &av7110->i2c_adap;
 
-				if (lnbp21_attach(av7110->fe, &av7110->i2c_adap, 0, 0) == NULL) {
+				if (dvb_attach(lnbp21_attach, av7110->fe, &av7110->i2c_adap, 0, 0) == NULL) {
 					printk("dvb-ttpci: LNBP21 not found!\n");
 					if (av7110->fe->ops.release)
 						av7110->fe->ops.release(av7110->fe);
@@ -2255,8 +2259,9 @@ static int frontend_init(struct av7110 *av7110)
 		ret = dvb_register_frontend(&av7110->dvb_adapter, av7110->fe);
 		if (ret < 0) {
 			printk("av7110: Frontend registration failed!\n");
-			if (av7110->fe->ops.release)
-				av7110->fe->ops.release(av7110->fe);
+			dvb_detach(av7110->fe->ops.release_sec, av7110->fe);
+			dvb_detach(av7110->fe->ops.tuner_ops.release, av7110->fe);
+			dvb_detach(av7110->fe->ops.release, av7110->fe);
 			av7110->fe = NULL;
 		}
 	}

drivers/media/dvb/ttpci/budget-av.c

@@ -235,7 +235,7 @@ static int ciintf_slot_reset(struct dvb_ca_en50221 *ca, int slot)
 
 	/* set tda10021 back to original clock configuration on reset */
 	if (budget_av->tda10021_poclkp) {
-		tda10021_write_byte(budget_av->budget.dvb_frontend, 0x12, 0xa0);
+		tda10021_writereg(budget_av->budget.dvb_frontend, 0x12, 0xa0);
 		budget_av->tda10021_ts_enabled = 0;
 	}
 
@@ -257,7 +257,7 @@ static int ciintf_slot_shutdown(struct dvb_ca_en50221 *ca, int slot)
 
 	/* set tda10021 back to original clock configuration when cam removed */
 	if (budget_av->tda10021_poclkp) {
-		tda10021_write_byte(budget_av->budget.dvb_frontend, 0x12, 0xa0);
+		tda10021_writereg(budget_av->budget.dvb_frontend, 0x12, 0xa0);
 		budget_av->tda10021_ts_enabled = 0;
 	}
 	return 0;
@@ -277,7 +277,7 @@ static int ciintf_slot_ts_enable(struct dvb_ca_en50221 *ca, int slot)
 
 	/* tda10021 seems to need a different TS clock config when data is routed to the CAM */
 	if (budget_av->tda10021_poclkp) {
-		tda10021_write_byte(budget_av->budget.dvb_frontend, 0x12, 0xa1);
+		tda10021_writereg(budget_av->budget.dvb_frontend, 0x12, 0xa1);
 		budget_av->tda10021_ts_enabled = 1;
 	}
 
@@ -1068,9 +1068,9 @@ static int tda10021_set_frontend(struct dvb_frontend *fe,
 
 	result = budget_av->tda10021_set_frontend(fe, p);
 	if (budget_av->tda10021_ts_enabled) {
-		tda10021_write_byte(budget_av->budget.dvb_frontend, 0x12, 0xa1);
+		tda10021_writereg(budget_av->budget.dvb_frontend, 0x12, 0xa1);
 	} else {
-		tda10021_write_byte(budget_av->budget.dvb_frontend, 0x12, 0xa0);
+		tda10021_writereg(budget_av->budget.dvb_frontend, 0x12, 0xa0);
 	}
 
 	return result;
@@ -1098,13 +1098,13 @@ static void frontend_init(struct budget_av *budget_av)
 	case SUBID_DVBS_KNC1:
 	case SUBID_DVBS_EASYWATCH_1:
 		if (saa->pci->subsystem_vendor == 0x1894) {
-			fe = stv0299_attach(&cinergy_1200s_1894_0010_config,
+			fe = dvb_attach(stv0299_attach, &cinergy_1200s_1894_0010_config,
 					     &budget_av->budget.i2c_adap);
 			if (fe) {
 				fe->ops.tuner_ops.set_params = philips_su1278sh2_tua6100_tuner_set_params;
 			}
 		} else {
-			fe = stv0299_attach(&typhoon_config,
+			fe = dvb_attach(stv0299_attach, &typhoon_config,
 					     &budget_av->budget.i2c_adap);
 			if (fe) {
 				fe->ops.tuner_ops.set_params = philips_su1278_ty_ci_tuner_set_params;
@@ -1116,7 +1116,7 @@ static void frontend_init(struct budget_av *budget_av)
 	case SUBID_DVBS_TV_STAR_CI:
 	case SUBID_DVBS_CYNERGY1200N:
 	case SUBID_DVBS_EASYWATCH:
-		fe = stv0299_attach(&philips_sd1878_config,
+		fe = dvb_attach(stv0299_attach, &philips_sd1878_config,
 				&budget_av->budget.i2c_adap);
 		if (fe) {
 			fe->ops.tuner_ops.set_params = philips_sd1878_tda8261_tuner_set_params;
@@ -1125,7 +1125,7 @@ static void frontend_init(struct budget_av *budget_av)
 
 	case SUBID_DVBS_KNC1_PLUS:
 	case SUBID_DVBS_TYPHOON:
-		fe = stv0299_attach(&typhoon_config,
+		fe = dvb_attach(stv0299_attach, &typhoon_config,
 				    &budget_av->budget.i2c_adap);
 		if (fe) {
 			fe->ops.tuner_ops.set_params = philips_su1278_ty_ci_tuner_set_params;
@@ -1133,7 +1133,7 @@ static void frontend_init(struct budget_av *budget_av)
 		break;
 
 	case SUBID_DVBS_CINERGY1200:
-		fe = stv0299_attach(&cinergy_1200s_config,
+		fe = dvb_attach(stv0299_attach, &cinergy_1200s_config,
 				    &budget_av->budget.i2c_adap);
 		if (fe) {
 			fe->ops.tuner_ops.set_params = philips_su1278_ty_ci_tuner_set_params;
@@ -1142,7 +1142,7 @@ static void frontend_init(struct budget_av *budget_av)
 
 	case SUBID_DVBC_KNC1:
 		budget_av->reinitialise_demod = 1;
-		fe = tda10021_attach(&philips_cu1216_config,
+		fe = dvb_attach(tda10021_attach, &philips_cu1216_config,
 				     &budget_av->budget.i2c_adap,
 				     read_pwm(budget_av));
 		if (fe) {
@@ -1153,7 +1153,7 @@ static void frontend_init(struct budget_av *budget_av)
 	case SUBID_DVBC_KNC1_PLUS:
 	case SUBID_DVBC_CINERGY1200:
 		budget_av->reinitialise_demod = 1;
-		fe = tda10021_attach(&philips_cu1216_config,
+		fe = dvb_attach(tda10021_attach, &philips_cu1216_config,
 				     &budget_av->budget.i2c_adap,
 				     read_pwm(budget_av));
 		if (fe) {
@@ -1168,7 +1168,7 @@ static void frontend_init(struct budget_av *budget_av)
 	case SUBID_DVBT_KNC1_PLUS:
 	case SUBID_DVBT_CINERGY1200:
 		budget_av->reinitialise_demod = 1;
-		fe = tda10046_attach(&philips_tu1216_config,
+		fe = dvb_attach(tda10046_attach, &philips_tu1216_config,
 				     &budget_av->budget.i2c_adap);
 		if (fe) {
 			fe->ops.tuner_ops.init = philips_tu1216_tuner_init;
@@ -1192,8 +1192,9 @@ static void frontend_init(struct budget_av *budget_av)
 	if (dvb_register_frontend(&budget_av->budget.dvb_adapter,
 				  budget_av->budget.dvb_frontend)) {
 		printk(KERN_ERR "budget-av: Frontend registration failed!\n");
-		if (budget_av->budget.dvb_frontend->ops.release)
-			budget_av->budget.dvb_frontend->ops.release(budget_av->budget.dvb_frontend);
+		dvb_detach(budget_av->budget.dvb_frontend->ops.release_sec, budget_av->budget.dvb_frontend);
+		dvb_detach(budget_av->budget.dvb_frontend->ops.tuner_ops.release, budget_av->budget.dvb_frontend);
+		dvb_detach(budget_av->budget.dvb_frontend->ops.release, budget_av->budget.dvb_frontend);
 		budget_av->budget.dvb_frontend = NULL;
 	}
 }
@@ -1227,8 +1228,12 @@ static int budget_av_detach(struct saa7146_dev *dev)
 	if (budget_av->budget.ci_present)
 		ciintf_deinit(budget_av);
 
-	if (budget_av->budget.dvb_frontend != NULL)
+	if (budget_av->budget.dvb_frontend != NULL) {
 		dvb_unregister_frontend(budget_av->budget.dvb_frontend);
+		dvb_detach(budget_av->budget.dvb_frontend->ops.release_sec, budget_av->budget.dvb_frontend);
+		dvb_detach(budget_av->budget.dvb_frontend->ops.tuner_ops.release, budget_av->budget.dvb_frontend);
+		dvb_detach(budget_av->budget.dvb_frontend->ops.release, budget_av->budget.dvb_frontend);
+	}
 	err = ttpci_budget_deinit(&budget_av->budget);
 
 	kfree(budget_av);

drivers/media/dvb/ttpci/budget-ci.c

@@ -988,7 +988,7 @@ static void frontend_init(struct budget_ci *budget_ci)
 	switch (budget_ci->budget.dev->pci->subsystem_device) {
 	case 0x100c:		// Hauppauge/TT Nova-CI budget (stv0299/ALPS BSRU6(tsa5059))
 		budget_ci->budget.dvb_frontend =
-			stv0299_attach(&alps_bsru6_config, &budget_ci->budget.i2c_adap);
+			dvb_attach(stv0299_attach, &alps_bsru6_config, &budget_ci->budget.i2c_adap);
 		if (budget_ci->budget.dvb_frontend) {
 			budget_ci->budget.dvb_frontend->ops.tuner_ops.set_params = alps_bsru6_tuner_set_params;
 			budget_ci->budget.dvb_frontend->tuner_priv = &budget_ci->budget.i2c_adap;
@@ -998,7 +998,7 @@ static void frontend_init(struct budget_ci *budget_ci)
 
 	case 0x100f:		// Hauppauge/TT Nova-CI budget (stv0299b/Philips su1278(tsa5059))
 		budget_ci->budget.dvb_frontend =
-			stv0299_attach(&philips_su1278_tt_config, &budget_ci->budget.i2c_adap);
+			dvb_attach(stv0299_attach, &philips_su1278_tt_config, &budget_ci->budget.i2c_adap);
 		if (budget_ci->budget.dvb_frontend) {
 			budget_ci->budget.dvb_frontend->ops.tuner_ops.set_params = philips_su1278_tt_tuner_set_params;
 			break;
@@ -1008,7 +1008,7 @@ static void frontend_init(struct budget_ci *budget_ci)
 	case 0x1010:		// TT DVB-C CI budget (stv0297/Philips tdm1316l(tda6651tt))
 		budget_ci->tuner_pll_address = 0x61;
 		budget_ci->budget.dvb_frontend =
-			stv0297_attach(&dvbc_philips_tdm1316l_config, &budget_ci->budget.i2c_adap);
+			dvb_attach(stv0297_attach, &dvbc_philips_tdm1316l_config, &budget_ci->budget.i2c_adap);
 		if (budget_ci->budget.dvb_frontend) {
 			budget_ci->budget.dvb_frontend->ops.tuner_ops.set_params = dvbc_philips_tdm1316l_tuner_set_params;
 			break;
@@ -1018,7 +1018,7 @@ static void frontend_init(struct budget_ci *budget_ci)
 	case 0x1011:		// Hauppauge/TT Nova-T budget (tda10045/Philips tdm1316l(tda6651tt) + TDA9889)
 		budget_ci->tuner_pll_address = 0x63;
 		budget_ci->budget.dvb_frontend =
-			tda10045_attach(&philips_tdm1316l_config, &budget_ci->budget.i2c_adap);
+			dvb_attach(tda10045_attach, &philips_tdm1316l_config, &budget_ci->budget.i2c_adap);
 		if (budget_ci->budget.dvb_frontend) {
 			budget_ci->budget.dvb_frontend->ops.tuner_ops.init = philips_tdm1316l_tuner_init;
 			budget_ci->budget.dvb_frontend->ops.tuner_ops.set_params = philips_tdm1316l_tuner_set_params;
@@ -1029,7 +1029,7 @@ static void frontend_init(struct budget_ci *budget_ci)
 	case 0x1012:		// TT DVB-T CI budget (tda10046/Philips tdm1316l(tda6651tt))
 		budget_ci->tuner_pll_address = 0x60;
 		budget_ci->budget.dvb_frontend =
-			tda10046_attach(&philips_tdm1316l_config, &budget_ci->budget.i2c_adap);
+			dvb_attach(tda10046_attach, &philips_tdm1316l_config, &budget_ci->budget.i2c_adap);
 		if (budget_ci->budget.dvb_frontend) {
 			budget_ci->budget.dvb_frontend->ops.tuner_ops.init = philips_tdm1316l_tuner_init;
 			budget_ci->budget.dvb_frontend->ops.tuner_ops.set_params = philips_tdm1316l_tuner_set_params;
@@ -1038,13 +1038,13 @@ static void frontend_init(struct budget_ci *budget_ci)
 		break;
 
 	case 0x1017:		// TT S-1500 PCI
-		budget_ci->budget.dvb_frontend = stv0299_attach(&alps_bsbe1_config, &budget_ci->budget.i2c_adap);
+		budget_ci->budget.dvb_frontend = dvb_attach(stv0299_attach, &alps_bsbe1_config, &budget_ci->budget.i2c_adap);
 		if (budget_ci->budget.dvb_frontend) {
 			budget_ci->budget.dvb_frontend->ops.tuner_ops.set_params = alps_bsbe1_tuner_set_params;
 			budget_ci->budget.dvb_frontend->tuner_priv = &budget_ci->budget.i2c_adap;
 
 			budget_ci->budget.dvb_frontend->ops.dishnetwork_send_legacy_command = NULL;
-			if (lnbp21_attach(budget_ci->budget.dvb_frontend, &budget_ci->budget.i2c_adap, LNBP21_LLC, 0) == NULL) {
+			if (dvb_attach(lnbp21_attach, budget_ci->budget.dvb_frontend, &budget_ci->budget.i2c_adap, LNBP21_LLC, 0) == NULL) {
 				printk("%s: No LNBP21 found!\n", __FUNCTION__);
 				if (budget_ci->budget.dvb_frontend->ops.release)
 					budget_ci->budget.dvb_frontend->ops.release(budget_ci->budget.dvb_frontend);
@@ -1065,8 +1065,9 @@ static void frontend_init(struct budget_ci *budget_ci)
 		if (dvb_register_frontend
 		    (&budget_ci->budget.dvb_adapter, budget_ci->budget.dvb_frontend)) {
 			printk("budget-ci: Frontend registration failed!\n");
-			if (budget_ci->budget.dvb_frontend->ops.release)
-				budget_ci->budget.dvb_frontend->ops.release(budget_ci->budget.dvb_frontend);
+			dvb_detach(budget_ci->budget.dvb_frontend->ops.release_sec, budget_ci->budget.dvb_frontend);
+			dvb_detach(budget_ci->budget.dvb_frontend->ops.tuner_ops.release, budget_ci->budget.dvb_frontend);
+			dvb_detach(budget_ci->budget.dvb_frontend->ops.release, budget_ci->budget.dvb_frontend);
 			budget_ci->budget.dvb_frontend = NULL;
 		}
 	}
@@ -1114,8 +1115,12 @@ static int budget_ci_detach(struct saa7146_dev *dev)
 
 	if (budget_ci->budget.ci_present)
 		ciintf_deinit(budget_ci);
-	if (budget_ci->budget.dvb_frontend)
+	if (budget_ci->budget.dvb_frontend) {
 		dvb_unregister_frontend(budget_ci->budget.dvb_frontend);
+		dvb_detach(budget_ci->budget.dvb_frontend->ops.release_sec, budget_ci->budget.dvb_frontend);
+		dvb_detach(budget_ci->budget.dvb_frontend->ops.tuner_ops.release, budget_ci->budget.dvb_frontend);
+		dvb_detach(budget_ci->budget.dvb_frontend->ops.release, budget_ci->budget.dvb_frontend);
+	}
 	err = ttpci_budget_deinit(&budget_ci->budget);
 
 	tasklet_kill(&budget_ci->msp430_irq_tasklet);

drivers/media/dvb/ttpci/budget-patch.c

@@ -325,7 +325,7 @@ static void frontend_init(struct budget_patch* budget)
 	case 0x1013: // SATELCO Multimedia PCI
 
 		// try the ALPS BSRV2 first of all
-		budget->dvb_frontend = ves1x93_attach(&alps_bsrv2_config, &budget->i2c_adap);
+		budget->dvb_frontend = dvb_attach(ves1x93_attach, &alps_bsrv2_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsrv2_tuner_set_params;
 			budget->dvb_frontend->ops.diseqc_send_master_cmd = budget_patch_diseqc_send_master_cmd;
@@ -335,7 +335,7 @@ static void frontend_init(struct budget_patch* budget)
 		}
 
 		// try the ALPS BSRU6 now
-		budget->dvb_frontend = stv0299_attach(&alps_bsru6_config, &budget->i2c_adap);
+		budget->dvb_frontend = dvb_attach(stv0299_attach, &alps_bsru6_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsru6_tuner_set_params;
 			budget->dvb_frontend->tuner_priv = &budget->i2c_adap;
@@ -347,7 +347,7 @@ static void frontend_init(struct budget_patch* budget)
 		}
 
 		// Try the grundig 29504-451
-		budget->dvb_frontend = tda8083_attach(&grundig_29504_451_config, &budget->i2c_adap);
+		budget->dvb_frontend = dvb_attach(tda8083_attach, &grundig_29504_451_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops.tuner_ops.set_params = grundig_29504_451_tuner_set_params;
 			budget->dvb_frontend->ops.diseqc_send_master_cmd = budget_diseqc_send_master_cmd;
@@ -367,8 +367,9 @@ static void frontend_init(struct budget_patch* budget)
 	} else {
 		if (dvb_register_frontend(&budget->dvb_adapter, budget->dvb_frontend)) {
 			printk("budget-av: Frontend registration failed!\n");
-			if (budget->dvb_frontend->ops.release)
-				budget->dvb_frontend->ops.release(budget->dvb_frontend);
+			dvb_detach(budget->dvb_frontend->ops.release_sec, budget->dvb_frontend);
+			dvb_detach(budget->dvb_frontend->ops.tuner_ops.release, budget->dvb_frontend);
+			dvb_detach(budget->dvb_frontend->ops.release, budget->dvb_frontend);
 			budget->dvb_frontend = NULL;
 		}
 	}
@@ -627,8 +628,12 @@ static int budget_patch_detach (struct saa7146_dev* dev)
 	struct budget_patch *budget = (struct budget_patch*) dev->ext_priv;
 	int err;
 
-	if (budget->dvb_frontend) dvb_unregister_frontend(budget->dvb_frontend);
-
+	if (budget->dvb_frontend) {
+		dvb_unregister_frontend(budget->dvb_frontend);
+		dvb_detach(budget->dvb_frontend->ops.release_sec, budget->dvb_frontend);
+		dvb_detach(budget->dvb_frontend->ops.tuner_ops.release, budget->dvb_frontend);
+		dvb_detach(budget->dvb_frontend->ops.release, budget->dvb_frontend);
+	}
 	err = ttpci_budget_deinit (budget);
 
 	kfree (budget);

drivers/media/dvb/ttpci/budget.c

@@ -361,7 +361,7 @@ static void frontend_init(struct budget *budget)
 	case 0x1003: // Hauppauge/TT Nova budget (stv0299/ALPS BSRU6(tsa5059) OR ves1893/ALPS BSRV2(sp5659))
 	case 0x1013:
 		// try the ALPS BSRV2 first of all
-		budget->dvb_frontend = ves1x93_attach(&alps_bsrv2_config, &budget->i2c_adap);
+		budget->dvb_frontend = dvb_attach(ves1x93_attach, &alps_bsrv2_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsrv2_tuner_set_params;
 			budget->dvb_frontend->ops.diseqc_send_master_cmd = budget_diseqc_send_master_cmd;
@@ -371,7 +371,7 @@ static void frontend_init(struct budget *budget)
 		}
 
 		// try the ALPS BSRU6 now
-		budget->dvb_frontend = stv0299_attach(&alps_bsru6_config, &budget->i2c_adap);
+		budget->dvb_frontend = dvb_attach(stv0299_attach, &alps_bsru6_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsru6_tuner_set_params;
 			budget->dvb_frontend->tuner_priv = &budget->i2c_adap;
@@ -381,7 +381,7 @@ static void frontend_init(struct budget *budget)
 
 	case 0x1004: // Hauppauge/TT DVB-C budget (ves1820/ALPS TDBE2(sp5659))
 
-		budget->dvb_frontend = ves1820_attach(&alps_tdbe2_config, &budget->i2c_adap, read_pwm(budget));
+		budget->dvb_frontend = dvb_attach(ves1820_attach, &alps_tdbe2_config, &budget->i2c_adap, read_pwm(budget));
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops.tuner_ops.set_params = alps_tdbe2_tuner_set_params;
 			break;
@@ -390,7 +390,7 @@ static void frontend_init(struct budget *budget)
 
 	case 0x1005: // Hauppauge/TT Nova-T budget (L64781/Grundig 29504-401(tsa5060))
 
-		budget->dvb_frontend = l64781_attach(&grundig_29504_401_config, &budget->i2c_adap);
+		budget->dvb_frontend = dvb_attach(l64781_attach, &grundig_29504_401_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops.tuner_ops.set_params = grundig_29504_401_tuner_set_params;
 			break;
@@ -398,7 +398,7 @@ static void frontend_init(struct budget *budget)
 		break;
 
 	case 0x4f60: // Fujitsu Siemens Activy Budget-S PCI rev AL (stv0299/ALPS BSRU6(tsa5059))
-		budget->dvb_frontend = stv0299_attach(&alps_bsru6_config, &budget->i2c_adap);
+		budget->dvb_frontend = dvb_attach(stv0299_attach, &alps_bsru6_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops.tuner_ops.set_params = alps_bsru6_tuner_set_params;
 			budget->dvb_frontend->tuner_priv = &budget->i2c_adap;
@@ -408,7 +408,7 @@ static void frontend_init(struct budget *budget)
 		break;
 
 	case 0x4f61: // Fujitsu Siemens Activy Budget-S PCI rev GR (tda8083/Grundig 29504-451(tsa5522))
-		budget->dvb_frontend = tda8083_attach(&grundig_29504_451_config, &budget->i2c_adap);
+		budget->dvb_frontend = dvb_attach(tda8083_attach, &grundig_29504_451_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops.tuner_ops.set_params = grundig_29504_451_tuner_set_params;
 			budget->dvb_frontend->ops.set_voltage = siemens_budget_set_voltage;
@@ -417,7 +417,7 @@ static void frontend_init(struct budget *budget)
 		break;
 
 	case 0x1016: // Hauppauge/TT Nova-S SE (samsung s5h1420/????(tda8260))
-		budget->dvb_frontend = s5h1420_attach(&s5h1420_config, &budget->i2c_adap);
+		budget->dvb_frontend = dvb_attach(s5h1420_attach, &s5h1420_config, &budget->i2c_adap);
 		if (budget->dvb_frontend) {
 			budget->dvb_frontend->ops.tuner_ops.set_params = s5h1420_tuner_set_params;
 			if (lnbp21_attach(budget->dvb_frontend, &budget->i2c_adap, 0, 0) == NULL) {
@@ -442,8 +442,9 @@ static void frontend_init(struct budget *budget)
 
 error_out:
 	printk("budget: Frontend registration failed!\n");
-	if (budget->dvb_frontend->ops.release)
-		budget->dvb_frontend->ops.release(budget->dvb_frontend);
+	dvb_detach(budget->dvb_frontend->ops.release_sec, budget->dvb_frontend);
+	dvb_detach(budget->dvb_frontend->ops.tuner_ops.release, budget->dvb_frontend);
+	dvb_detach(budget->dvb_frontend->ops.release, budget->dvb_frontend);
 	budget->dvb_frontend = NULL;
 	return;
 }
@@ -481,7 +482,12 @@ static int budget_detach (struct saa7146_dev* dev)
 	struct budget *budget = (struct budget*) dev->ext_priv;
 	int err;
 
-	if (budget->dvb_frontend) dvb_unregister_frontend(budget->dvb_frontend);
+	if (budget->dvb_frontend) {
+		dvb_unregister_frontend(budget->dvb_frontend);
+		dvb_detach(budget->dvb_frontend->ops.release_sec, budget->dvb_frontend);
+		dvb_detach(budget->dvb_frontend->ops.tuner_ops.release, budget->dvb_frontend);
+		dvb_detach(budget->dvb_frontend->ops.release, budget->dvb_frontend);
+	}
 
 	err = ttpci_budget_deinit (budget);
 

drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c

@@ -1564,13 +1564,13 @@ static void frontend_init(struct ttusb* ttusb)
 	switch(le16_to_cpu(ttusb->dev->descriptor.idProduct)) {
 	case 0x1003: // Hauppauge/TT Nova-USB-S budget (stv0299/ALPS BSRU6|BSBE1(tsa5059))
 		// try the stv0299 based first
-		ttusb->fe = stv0299_attach(&alps_stv0299_config, &ttusb->i2c_adap);
+		ttusb->fe = dvb_attach(stv0299_attach, &alps_stv0299_config, &ttusb->i2c_adap);
 		if (ttusb->fe != NULL) {
 			ttusb->fe->ops.tuner_ops.set_params = philips_tsa5059_tuner_set_params;
 
 			if(ttusb->revision == TTUSB_REV_2_2) { // ALPS BSBE1
 				alps_stv0299_config.inittab = alps_bsbe1_inittab;
-				lnbp21_attach(ttusb->fe, &ttusb->i2c_adap, 0, 0);
+				dvb_attach(lnbp21_attach, ttusb->fe, &ttusb->i2c_adap, 0, 0);
 			} else { // ALPS BSRU6
 				ttusb->fe->ops.set_voltage = ttusb_set_voltage;
 			}
@@ -1578,7 +1578,7 @@ static void frontend_init(struct ttusb* ttusb)
 		}
 
 		// Grundig 29504-491
-		ttusb->fe = tda8083_attach(&ttusb_novas_grundig_29504_491_config, &ttusb->i2c_adap);
+		ttusb->fe = dvb_attach(tda8083_attach, &ttusb_novas_grundig_29504_491_config, &ttusb->i2c_adap);
 		if (ttusb->fe != NULL) {
 			ttusb->fe->ops.tuner_ops.set_params = ttusb_novas_grundig_29504_491_tuner_set_params;
 			ttusb->fe->ops.set_voltage = ttusb_set_voltage;
@@ -1587,13 +1587,13 @@ static void frontend_init(struct ttusb* ttusb)
 		break;
 
 	case 0x1004: // Hauppauge/TT DVB-C budget (ves1820/ALPS TDBE2(sp5659))
-		ttusb->fe = ves1820_attach(&alps_tdbe2_config, &ttusb->i2c_adap, read_pwm(ttusb));
+		ttusb->fe = dvb_attach(ves1820_attach, &alps_tdbe2_config, &ttusb->i2c_adap, read_pwm(ttusb));
 		if (ttusb->fe != NULL) {
 			ttusb->fe->ops.tuner_ops.set_params = alps_tdbe2_tuner_set_params;
 			break;
 		}
 
-		ttusb->fe = stv0297_attach(&dvbc_philips_tdm1316l_config, &ttusb->i2c_adap);
+		ttusb->fe = dvb_attach(stv0297_attach, &dvbc_philips_tdm1316l_config, &ttusb->i2c_adap);
 		if (ttusb->fe != NULL) {
 			ttusb->fe->ops.tuner_ops.set_params = dvbc_philips_tdm1316l_tuner_set_params;
 			break;
@@ -1602,14 +1602,14 @@ static void frontend_init(struct ttusb* ttusb)
 
 	case 0x1005: // Hauppauge/TT Nova-USB-t budget (tda10046/Philips td1316(tda6651tt) OR cx22700/ALPS TDMB7(??))
 		// try the ALPS TDMB7 first
-		ttusb->fe = cx22700_attach(&alps_tdmb7_config, &ttusb->i2c_adap);
+		ttusb->fe = dvb_attach(cx22700_attach, &alps_tdmb7_config, &ttusb->i2c_adap);
 		if (ttusb->fe != NULL) {
 			ttusb->fe->ops.tuner_ops.set_params = alps_tdmb7_tuner_set_params;
 			break;
 		}
 
 		// Philips td1316
-		ttusb->fe = tda10046_attach(&philips_tdm1316l_config, &ttusb->i2c_adap);
+		ttusb->fe = dvb_attach(tda10046_attach, &philips_tdm1316l_config, &ttusb->i2c_adap);
 		if (ttusb->fe != NULL) {
 			ttusb->fe->ops.tuner_ops.init = philips_tdm1316l_tuner_init;
 			ttusb->fe->ops.tuner_ops.set_params = philips_tdm1316l_tuner_set_params;
@@ -1625,8 +1625,9 @@ static void frontend_init(struct ttusb* ttusb)
 	} else {
 		if (dvb_register_frontend(&ttusb->adapter, ttusb->fe)) {
 			printk("dvb-ttusb-budget: Frontend registration failed!\n");
-			if (ttusb->fe->ops.release)
-				ttusb->fe->ops.release(ttusb->fe);
+			dvb_detach(ttusb->fe->ops.release_sec, ttusb->fe);
+			dvb_detach(ttusb->fe->ops.tuner_ops.release, ttusb->fe);
+			dvb_detach(ttusb->fe->ops.release, ttusb->fe);
 			ttusb->fe = NULL;
 		}
 	}
@@ -1763,7 +1764,12 @@ static void ttusb_disconnect(struct usb_interface *intf)
 	dvb_net_release(&ttusb->dvbnet);
 	dvb_dmxdev_release(&ttusb->dmxdev);
 	dvb_dmx_release(&ttusb->dvb_demux);
-	if (ttusb->fe != NULL) dvb_unregister_frontend(ttusb->fe);
+	if (ttusb->fe != NULL) {
+		dvb_unregister_frontend(ttusb->fe);
+		dvb_detach(ttusb->fe->ops.release_sec, ttusb->fe);
+		dvb_detach(ttusb->fe->ops.tuner_ops.release, ttusb->fe);
+		dvb_detach(ttusb->fe->ops.release, ttusb->fe);
+	}
 	i2c_del_adapter(&ttusb->i2c_adap);
 	dvb_unregister_adapter(&ttusb->adapter);
 

drivers/media/dvb/ttusb-dec/ttusb_dec.c

@@ -1512,7 +1512,11 @@ static void ttusb_dec_exit_dvb(struct ttusb_dec *dec)
 	dec->demux.dmx.remove_frontend(&dec->demux.dmx, &dec->frontend);
 	dvb_dmxdev_release(&dec->dmxdev);
 	dvb_dmx_release(&dec->demux);
-	if (dec->fe) dvb_unregister_frontend(dec->fe);
+	if (dec->fe) {
+		dvb_unregister_frontend(dec->fe);
+		if (dec->fe->ops.release)
+			dec->fe->ops.release(dec->fe);
+	}
 	dvb_unregister_adapter(&dec->adapter);
 }
 

drivers/media/video/cx88/cx88-dvb.c

@@ -537,10 +537,10 @@ static int dvb_register(struct cx8802_dev *dev)
 	switch (dev->core->board) {
 #ifdef HAVE_CX22702
 	case CX88_BOARD_HAUPPAUGE_DVB_T1:
-		dev->dvb.frontend = cx22702_attach(&hauppauge_novat_config,
+		dev->dvb.frontend = dvb_attach(cx22702_attach, &hauppauge_novat_config,
 						   &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
-			dvb_pll_attach(dev->dvb.frontend, 0x61,
+			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
 				       &dev->core->i2c_adap,
 				       &dvb_pll_thomson_dtt759x);
 		}
@@ -549,10 +549,10 @@ static int dvb_register(struct cx8802_dev *dev)
 	case CX88_BOARD_CONEXANT_DVB_T1:
 	case CX88_BOARD_KWORLD_DVB_T_CX22702:
 	case CX88_BOARD_WINFAST_DTV1000:
-		dev->dvb.frontend = cx22702_attach(&connexant_refboard_config,
+		dev->dvb.frontend = dvb_attach(cx22702_attach, &connexant_refboard_config,
 						   &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
-			dvb_pll_attach(dev->dvb.frontend, 0x60,
+			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60,
 				       &dev->core->i2c_adap,
 				       &dvb_pll_thomson_dtt7579);
 		}
@@ -560,10 +560,10 @@ static int dvb_register(struct cx8802_dev *dev)
 	case CX88_BOARD_WINFAST_DTV2000H:
 	case CX88_BOARD_HAUPPAUGE_HVR1100:
 	case CX88_BOARD_HAUPPAUGE_HVR1100LP:
-		dev->dvb.frontend = cx22702_attach(&hauppauge_hvr1100_config,
+		dev->dvb.frontend = dvb_attach(cx22702_attach, &hauppauge_hvr1100_config,
 						   &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
-			dvb_pll_attach(dev->dvb.frontend, 0x61,
+			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
 				       &dev->core->i2c_adap,
 				       &dvb_pll_fmd1216me);
 		}
@@ -572,10 +572,10 @@ static int dvb_register(struct cx8802_dev *dev)
 #if defined(HAVE_MT352) || defined(HAVE_ZL10353)
 	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS:
 #ifdef HAVE_MT352
-		dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv,
+		dev->dvb.frontend = dvb_attach(mt352_attach, &dvico_fusionhdtv,
 						 &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
-			dvb_pll_attach(dev->dvb.frontend, 0x60,
+			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60,
 				       &dev->core->i2c_adap,
 				       &dvb_pll_thomson_dtt7579);
 			break;
@@ -583,10 +583,10 @@ static int dvb_register(struct cx8802_dev *dev)
 #endif
 #ifdef HAVE_ZL10353
 		/* ZL10353 replaces MT352 on later cards */
-		dev->dvb.frontend = zl10353_attach(&dvico_fusionhdtv_plus_v1_1,
+		dev->dvb.frontend = dvb_attach(zl10353_attach, &dvico_fusionhdtv_plus_v1_1,
 						   &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
-			dvb_pll_attach(dev->dvb.frontend, 0x60,
+			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60,
 				       &dev->core->i2c_adap,
 				       &dvb_pll_thomson_dtt7579);
 		}
@@ -596,10 +596,10 @@ static int dvb_register(struct cx8802_dev *dev)
 #ifdef HAVE_MT352
 		/* The tin box says DEE1601, but it seems to be DTT7579
 		 * compatible, with a slightly different MT352 AGC gain. */
-		dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv_dual,
+		dev->dvb.frontend = dvb_attach(mt352_attach, &dvico_fusionhdtv_dual,
 						 &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
-			dvb_pll_attach(dev->dvb.frontend, 0x61,
+			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
 				       &dev->core->i2c_adap,
 				       &dvb_pll_thomson_dtt7579);
 			break;
@@ -607,10 +607,10 @@ static int dvb_register(struct cx8802_dev *dev)
 #endif
 #ifdef HAVE_ZL10353
 		/* ZL10353 replaces MT352 on later cards */
-		dev->dvb.frontend = zl10353_attach(&dvico_fusionhdtv_plus_v1_1,
+		dev->dvb.frontend = dvb_attach(zl10353_attach, &dvico_fusionhdtv_plus_v1_1,
 						   &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
-			dvb_pll_attach(dev->dvb.frontend, 0x61,
+			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
 				       &dev->core->i2c_adap,
 				       &dvb_pll_thomson_dtt7579);
 		}
@@ -619,10 +619,10 @@ static int dvb_register(struct cx8802_dev *dev)
 #endif /* HAVE_MT352 || HAVE_ZL10353 */
 #ifdef HAVE_MT352
 	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1:
-		dev->dvb.frontend = mt352_attach(&dvico_fusionhdtv,
+		dev->dvb.frontend = dvb_attach(mt352_attach, &dvico_fusionhdtv,
 						 &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
-			dvb_pll_attach(dev->dvb.frontend, 0x61,
+			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
 				       &dev->core->i2c_adap,
 				       &dvb_pll_lg_z201);
 		}
@@ -630,10 +630,10 @@ static int dvb_register(struct cx8802_dev *dev)
 	case CX88_BOARD_KWORLD_DVB_T:
 	case CX88_BOARD_DNTV_LIVE_DVB_T:
 	case CX88_BOARD_ADSTECH_DVB_T_PCI:
-		dev->dvb.frontend = mt352_attach(&dntv_live_dvbt_config,
+		dev->dvb.frontend = dvb_attach(mt352_attach, &dntv_live_dvbt_config,
 						 &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
-			dvb_pll_attach(dev->dvb.frontend, 0x61,
+			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
 				       &dev->core->i2c_adap,
 				       &dvb_pll_unknown_1);
 		}
@@ -642,7 +642,7 @@ static int dvb_register(struct cx8802_dev *dev)
 #ifdef HAVE_VP3054_I2C
 		dev->core->pll_addr = 0x61;
 		dev->core->pll_desc = &dvb_pll_fmd1216me;
-		dev->dvb.frontend = mt352_attach(&dntv_live_dvbt_pro_config,
+		dev->dvb.frontend = dvb_attach(mt352_attach, &dntv_live_dvbt_pro_config,
 			&((struct vp3054_i2c_state *)dev->card_priv)->adap);
 		if (dev->dvb.frontend != NULL) {
 			dev->dvb.frontend->ops.tuner_ops.set_params = dntv_live_dvbt_pro_tuner_set_params;
@@ -656,7 +656,7 @@ static int dvb_register(struct cx8802_dev *dev)
 	case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID:
 		dev->core->pll_addr = 0x61;
 		dev->core->pll_desc = &dvb_pll_thomson_fe6600;
-		dev->dvb.frontend = zl10353_attach(&dvico_fusionhdtv_hybrid,
+		dev->dvb.frontend = dvb_attach(zl10353_attach, &dvico_fusionhdtv_hybrid,
 						   &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
 			dev->dvb.frontend->ops.tuner_ops.set_params = dvico_hybrid_tuner_set_params;
@@ -665,10 +665,10 @@ static int dvb_register(struct cx8802_dev *dev)
 #endif
 #ifdef HAVE_OR51132
 	case CX88_BOARD_PCHDTV_HD3000:
-		dev->dvb.frontend = or51132_attach(&pchdtv_hd3000,
+		dev->dvb.frontend = dvb_attach(or51132_attach, &pchdtv_hd3000,
 						 &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
-			dvb_pll_attach(dev->dvb.frontend, 0x61,
+			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
 				       &dev->core->i2c_adap,
 				       &dvb_pll_thomson_dtt761x);
 		}
@@ -690,7 +690,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		fusionhdtv_3_gold.pll_rf_set = lgdt330x_pll_rf_set;
 		dev->core->pll_addr = 0x61;
 		dev->core->pll_desc = &dvb_pll_microtune_4042;
-		dev->dvb.frontend = lgdt330x_attach(&fusionhdtv_3_gold,
+		dev->dvb.frontend = dvb_attach(lgdt330x_attach, &fusionhdtv_3_gold,
 						    &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
 			dev->dvb.frontend->ops.tuner_ops.set_params = lgdt3302_tuner_set_params;
@@ -709,7 +709,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		mdelay(200);
 		dev->core->pll_addr = 0x61;
 		dev->core->pll_desc = &dvb_pll_thomson_dtt761x;
-		dev->dvb.frontend = lgdt330x_attach(&fusionhdtv_3_gold,
+		dev->dvb.frontend = dvb_attach(lgdt330x_attach, &fusionhdtv_3_gold,
 						    &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
 			dev->dvb.frontend->ops.tuner_ops.set_params = lgdt3302_tuner_set_params;
@@ -726,7 +726,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		mdelay(100);
 		cx_set(MO_GP0_IO, 1);
 		mdelay(200);
-		dev->dvb.frontend = lgdt330x_attach(&fusionhdtv_5_gold,
+		dev->dvb.frontend = dvb_attach(lgdt330x_attach, &fusionhdtv_5_gold,
 						    &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
 			dev->dvb.frontend->ops.tuner_ops.set_params = lgdt3303_tuner_set_params;
@@ -743,7 +743,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		mdelay(100);
 		cx_set(MO_GP0_IO, 1);
 		mdelay(200);
-		dev->dvb.frontend = lgdt330x_attach(&pchdtv_hd5500,
+		dev->dvb.frontend = dvb_attach(lgdt330x_attach, &pchdtv_hd5500,
 						    &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
 			dev->dvb.frontend->ops.tuner_ops.set_params = lgdt3303_tuner_set_params;
@@ -753,10 +753,10 @@ static int dvb_register(struct cx8802_dev *dev)
 #endif
 #ifdef HAVE_NXT200X
 	case CX88_BOARD_ATI_HDTVWONDER:
-		dev->dvb.frontend = nxt200x_attach(&ati_hdtvwonder,
+		dev->dvb.frontend = dvb_attach(nxt200x_attach, &ati_hdtvwonder,
 						 &dev->core->i2c_adap);
 		if (dev->dvb.frontend != NULL) {
-			dvb_pll_attach(dev->dvb.frontend, 0x61,
+			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61,
 				       &dev->core->i2c_adap,
 				       &dvb_pll_tuv1236d);
 		}
@@ -765,15 +765,15 @@ static int dvb_register(struct cx8802_dev *dev)
 #ifdef HAVE_CX24123
 	case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1:
 	case CX88_BOARD_HAUPPAUGE_NOVASE2_S1:
-		dev->dvb.frontend = cx24123_attach(&hauppauge_novas_config,
+		dev->dvb.frontend = dvb_attach(cx24123_attach, &hauppauge_novas_config,
 			&dev->core->i2c_adap);
 		if (dev->dvb.frontend) {
-			isl6421_attach(dev->dvb.frontend, &dev->core->i2c_adap,
+			dvb_attach(isl6421_attach, dev->dvb.frontend, &dev->core->i2c_adap,
 				       0x08, 0x00, 0x00);
 		}
 		break;
 	case CX88_BOARD_KWORLD_DVBS_100:
-		dev->dvb.frontend = cx24123_attach(&kworld_dvbs_100_config,
+		dev->dvb.frontend = dvb_attach(cx24123_attach, &kworld_dvbs_100_config,
 			&dev->core->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;
@@ -781,7 +781,7 @@ static int dvb_register(struct cx8802_dev *dev)
 		}
 		break;
 	case CX88_BOARD_GENIATECH_DVBS:
-		dev->dvb.frontend = cx24123_attach(&geniatech_dvbs_config,
+		dev->dvb.frontend = dvb_attach(cx24123_attach, &geniatech_dvbs_config,
 						   &dev->core->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage;

drivers/media/video/saa7134/saa7134-dvb.c

@@ -1057,7 +1057,7 @@ static int dvb_init(struct saa7134_dev *dev)
 #ifdef HAVE_MT352
 	case SAA7134_BOARD_PINNACLE_300I_DVBT_PAL:
 		printk("%s: pinnacle 300i dvb setup\n",dev->name);
-		dev->dvb.frontend = mt352_attach(&pinnacle_300i,
+		dev->dvb.frontend = dvb_attach(mt352_attach, &pinnacle_300i,
 						 &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->dvb.frontend->ops.tuner_ops.set_params = mt352_pinnacle_tuner_set_params;
@@ -1066,7 +1066,7 @@ static int dvb_init(struct saa7134_dev *dev)
 
 	case SAA7134_BOARD_AVERMEDIA_777:
 		printk("%s: avertv 777 dvb setup\n",dev->name);
-		dev->dvb.frontend = mt352_attach(&avermedia_777,
+		dev->dvb.frontend = dvb_attach(mt352_attach, &avermedia_777,
 						 &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->dvb.frontend->ops.tuner_ops.calc_regs = mt352_aver777_tuner_calc_regs;
@@ -1075,7 +1075,7 @@ static int dvb_init(struct saa7134_dev *dev)
 #endif
 #ifdef HAVE_TDA1004X
 	case SAA7134_BOARD_MD7134:
-		dev->dvb.frontend = tda10046_attach(&medion_cardbus,
+		dev->dvb.frontend = dvb_attach(tda10046_attach, &medion_cardbus,
 						    &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->dvb.frontend->ops.tuner_ops.init = philips_fmd1216_tuner_init;
@@ -1084,7 +1084,7 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 		break;
 	case SAA7134_BOARD_PHILIPS_TOUGH:
-		dev->dvb.frontend = tda10046_attach(&philips_tu1216_60_config,
+		dev->dvb.frontend = dvb_attach(tda10046_attach, &philips_tu1216_60_config,
 						    &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->dvb.frontend->ops.tuner_ops.init = philips_tu1216_tuner_60_init;
@@ -1092,7 +1092,7 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 		break;
 	case SAA7134_BOARD_FLYDVBTDUO:
-		dev->dvb.frontend = tda10046_attach(&tda827x_lifeview_config,
+		dev->dvb.frontend = dvb_attach(tda10046_attach, &tda827x_lifeview_config,
 						    &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->dvb.frontend->ops.tuner_ops.init = philips_tda827x_tuner_init;
@@ -1101,7 +1101,7 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 		break;
 	case SAA7134_BOARD_FLYDVBT_DUO_CARDBUS:
-		dev->dvb.frontend = tda10046_attach(&tda827x_lifeview_config,
+		dev->dvb.frontend = dvb_attach(tda10046_attach, &tda827x_lifeview_config,
 						    &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->dvb.frontend->ops.tuner_ops.init = philips_tda827x_tuner_init;
@@ -1110,7 +1110,7 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 		break;
 	case SAA7134_BOARD_PHILIPS_EUROPA:
-		dev->dvb.frontend = tda10046_attach(&philips_europa_config,
+		dev->dvb.frontend = dvb_attach(tda10046_attach, &philips_europa_config,
 						    &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->original_demod_sleep = dev->dvb.frontend->ops.sleep;
@@ -1121,7 +1121,7 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 		break;
 	case SAA7134_BOARD_VIDEOMATE_DVBT_300:
-		dev->dvb.frontend = tda10046_attach(&philips_europa_config,
+		dev->dvb.frontend = dvb_attach(tda10046_attach, &philips_europa_config,
 						    &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->dvb.frontend->ops.tuner_ops.init = philips_europa_tuner_init;
@@ -1130,7 +1130,7 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 		break;
 	case SAA7134_BOARD_VIDEOMATE_DVBT_200:
-		dev->dvb.frontend = tda10046_attach(&philips_tu1216_61_config,
+		dev->dvb.frontend = dvb_attach(tda10046_attach, &philips_tu1216_61_config,
 						    &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->dvb.frontend->ops.tuner_ops.init = philips_tu1216_tuner_61_init;
@@ -1138,7 +1138,7 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 		break;
 	case SAA7134_BOARD_PHILIPS_TIGER:
-		dev->dvb.frontend = tda10046_attach(&philips_tiger_config,
+		dev->dvb.frontend = dvb_attach(tda10046_attach, &philips_tiger_config,
 						    &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->dvb.frontend->ops.tuner_ops.init = philips_tiger_tuner_init;
@@ -1147,7 +1147,7 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 		break;
 	case SAA7134_BOARD_ASUSTeK_P7131_DUAL:
-		dev->dvb.frontend = tda10046_attach(&philips_tiger_config,
+		dev->dvb.frontend = dvb_attach(tda10046_attach, &philips_tiger_config,
 						    &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->dvb.frontend->ops.tuner_ops.init = philips_tiger_tuner_init;
@@ -1156,7 +1156,7 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 		break;
 	case SAA7134_BOARD_FLYDVBT_LR301:
-		dev->dvb.frontend = tda10046_attach(&tda827x_lifeview_config,
+		dev->dvb.frontend = dvb_attach(tda10046_attach, &tda827x_lifeview_config,
 						    &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->dvb.frontend->ops.tuner_ops.init = philips_tda827x_tuner_init;
@@ -1165,7 +1165,7 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 		break;
 	case SAA7134_BOARD_FLYDVB_TRIO:
-		dev->dvb.frontend = tda10046_attach(&lifeview_trio_config,
+		dev->dvb.frontend = dvb_attach(tda10046_attach, &lifeview_trio_config,
 						    &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->dvb.frontend->ops.tuner_ops.sleep = lifeview_trio_tuner_sleep;
@@ -1173,7 +1173,7 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 		break;
 	case SAA7134_BOARD_ADS_DUO_CARDBUS_PTV331:
-		dev->dvb.frontend = tda10046_attach(&ads_tech_duo_config,
+		dev->dvb.frontend = dvb_attach(tda10046_attach, &ads_tech_duo_config,
 						    &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->dvb.frontend->ops.tuner_ops.init = ads_duo_tuner_init;
@@ -1182,7 +1182,7 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 		break;
 	case SAA7134_BOARD_TEVION_DVBT_220RF:
-		dev->dvb.frontend = tda10046_attach(&tevion_dvbt220rf_config,
+		dev->dvb.frontend = dvb_attach(tda10046_attach, &tevion_dvbt220rf_config,
 						    &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->dvb.frontend->ops.tuner_ops.sleep = tevion_dvb220rf_tuner_sleep;
@@ -1190,7 +1190,7 @@ static int dvb_init(struct saa7134_dev *dev)
 		}
 		break;
 	case SAA7134_BOARD_FLYDVBT_HYBRID_CARDBUS:
-		dev->dvb.frontend = tda10046_attach(&ads_tech_duo_config,
+		dev->dvb.frontend = dvb_attach(tda10046_attach, &ads_tech_duo_config,
 						    &dev->i2c_adap);
 		if (dev->dvb.frontend) {
 			dev->dvb.frontend->ops.tuner_ops.init = ads_duo_tuner_init;
@@ -1210,15 +1210,15 @@ static int dvb_init(struct saa7134_dev *dev)
 #endif
 #ifdef HAVE_NXT200X
 	case SAA7134_BOARD_AVERMEDIA_AVERTVHD_A180:
-		dev->dvb.frontend = nxt200x_attach(&avertvhda180, &dev->i2c_adap);
+		dev->dvb.frontend = dvb_attach(nxt200x_attach, &avertvhda180, &dev->i2c_adap);
 		if (dev->dvb.frontend) {
-			dvb_pll_attach(dev->dvb.frontend, 0x61, &dev->i2c_adap, &dvb_pll_tdhu2);
+			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61, &dev->i2c_adap, &dvb_pll_tdhu2);
 		}
 		break;
 	case SAA7134_BOARD_KWORLD_ATSC110:
-		dev->dvb.frontend = nxt200x_attach(&kworldatsc110, &dev->i2c_adap);
+		dev->dvb.frontend = dvb_attach(nxt200x_attach, &kworldatsc110, &dev->i2c_adap);
 		if (dev->dvb.frontend) {
-			dvb_pll_attach(dev->dvb.frontend, 0x61, &dev->i2c_adap, &dvb_pll_tuv1236d);
+			dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61, &dev->i2c_adap, &dvb_pll_tuv1236d);
 		}
 		break;
 #endif

drivers/media/video/video-buf-dvb.c

@@ -223,6 +223,9 @@ int videobuf_dvb_register(struct videobuf_dvb *dvb,
 fail_dmx:
 	dvb_unregister_frontend(dvb->frontend);
 fail_frontend:
+	dvb_detach(dvb->frontend->ops.release_sec, dvb->frontend);
+	dvb_detach(dvb->frontend->ops.tuner_ops.release, dvb->frontend);
+	dvb_detach(dvb->frontend->ops.release, dvb->frontend);
 	dvb_unregister_adapter(&dvb->adapter);
 fail_adapter:
 	return result;
@@ -236,6 +239,9 @@ void videobuf_dvb_unregister(struct videobuf_dvb *dvb)
 	dvb_dmxdev_release(&dvb->dmxdev);
 	dvb_dmx_release(&dvb->demux);
 	dvb_unregister_frontend(dvb->frontend);
+	dvb_detach(dvb->frontend->ops.release_sec, dvb->frontend);
+	dvb_detach(dvb->frontend->ops.tuner_ops.release, dvb->frontend);
+	dvb_detach(dvb->frontend->ops.release, dvb->frontend);
 	dvb_unregister_adapter(&dvb->adapter);
 }