From 0590d91c413fb5144608d69f50710064360aeec8 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Wed, 30 Apr 2008 18:14:36 -0300 Subject: [PATCH] V4L/DVB (7807): cx88: Fix error handling, when dvb_attach() fails Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx88/cx88-dvb.c | 251 +++++++++++++++------------- 1 file changed, 134 insertions(+), 117 deletions(-) diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index 1c7fe6862a60..75e2e58349ef 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -509,9 +509,6 @@ static int attach_xc3028(u8 addr, struct cx8802_dev *dev) if (!fe) { printk(KERN_ERR "%s/2: xc3028 attach failed\n", dev->core->name); - dvb_frontend_detach(dev->dvb.frontend); - dvb_unregister_frontend(dev->dvb.frontend); - dev->dvb.frontend = NULL; return -EINVAL; } @@ -523,20 +520,23 @@ static int attach_xc3028(u8 addr, struct cx8802_dev *dev) static int dvb_register(struct cx8802_dev *dev) { + struct cx88_core *core = dev->core; + /* init struct videobuf_dvb */ - dev->dvb.name = dev->core->name; + dev->dvb.name = core->name; dev->ts_gen_cntrl = 0x0c; /* init frontend */ - switch (dev->core->boardnr) { + switch (core->boardnr) { case CX88_BOARD_HAUPPAUGE_DVB_T1: dev->dvb.frontend = dvb_attach(cx22702_attach, &connexant_refboard_config, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61, - &dev->core->i2c_adap, - DVB_PLL_THOMSON_DTT759X); + if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend, + 0x61, &core->i2c_adap, + DVB_PLL_THOMSON_DTT759X)) + goto frontend_detach; } break; case CX88_BOARD_TERRATEC_CINERGY_1400_DVB_T1: @@ -545,11 +545,12 @@ static int dvb_register(struct cx8802_dev *dev) case CX88_BOARD_WINFAST_DTV1000: dev->dvb.frontend = dvb_attach(cx22702_attach, &connexant_refboard_config, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60, - &dev->core->i2c_adap, - DVB_PLL_THOMSON_DTT7579); + if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend, + 0x60, &core->i2c_adap, + DVB_PLL_THOMSON_DTT7579)) + goto frontend_detach; } break; case CX88_BOARD_WINFAST_DTV2000H: @@ -559,29 +560,32 @@ static int dvb_register(struct cx8802_dev *dev) case CX88_BOARD_HAUPPAUGE_HVR3000: dev->dvb.frontend = dvb_attach(cx22702_attach, &hauppauge_hvr_config, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(simple_tuner_attach, dev->dvb.frontend, - &dev->core->i2c_adap, 0x61, - TUNER_PHILIPS_FMD1216ME_MK3); + if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend, + &core->i2c_adap, 0x61, + TUNER_PHILIPS_FMD1216ME_MK3)) + goto frontend_detach; } break; case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PLUS: dev->dvb.frontend = dvb_attach(mt352_attach, &dvico_fusionhdtv, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60, - NULL, DVB_PLL_THOMSON_DTT7579); + if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend, + 0x60, NULL, DVB_PLL_THOMSON_DTT7579)) + goto frontend_detach; break; } /* ZL10353 replaces MT352 on later cards */ dev->dvb.frontend = dvb_attach(zl10353_attach, &dvico_fusionhdtv_plus_v1_1, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x60, - NULL, DVB_PLL_THOMSON_DTT7579); + if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend, + 0x60, NULL, DVB_PLL_THOMSON_DTT7579)) + goto frontend_detach; } break; case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL: @@ -589,28 +593,31 @@ static int dvb_register(struct cx8802_dev *dev) * compatible, with a slightly different MT352 AGC gain. */ dev->dvb.frontend = dvb_attach(mt352_attach, &dvico_fusionhdtv_dual, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61, - NULL, DVB_PLL_THOMSON_DTT7579); + if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend, + 0x61, NULL, DVB_PLL_THOMSON_DTT7579)) + goto frontend_detach; break; } /* ZL10353 replaces MT352 on later cards */ dev->dvb.frontend = dvb_attach(zl10353_attach, &dvico_fusionhdtv_plus_v1_1, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61, - NULL, DVB_PLL_THOMSON_DTT7579); + if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend, + 0x61, NULL, DVB_PLL_THOMSON_DTT7579)) + goto frontend_detach; } break; case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T1: dev->dvb.frontend = dvb_attach(mt352_attach, &dvico_fusionhdtv, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61, - NULL, DVB_PLL_LG_Z201); + if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend, + 0x61, NULL, DVB_PLL_LG_Z201)) + goto frontend_detach; } break; case CX88_BOARD_KWORLD_DVB_T: @@ -618,10 +625,11 @@ static int dvb_register(struct cx8802_dev *dev) case CX88_BOARD_ADSTECH_DVB_T_PCI: dev->dvb.frontend = dvb_attach(mt352_attach, &dntv_live_dvbt_config, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(dvb_pll_attach, dev->dvb.frontend, 0x61, - NULL, DVB_PLL_UNKNOWN_1); + if (!dvb_attach(dvb_pll_attach, dev->dvb.frontend, + 0x61, NULL, DVB_PLL_UNKNOWN_1)) + goto frontend_detach; } break; case CX88_BOARD_DNTV_LIVE_DVB_T_PRO: @@ -630,32 +638,35 @@ static int dvb_register(struct cx8802_dev *dev) dev->dvb.frontend = dvb_attach(mt352_attach, &dntv_live_dvbt_pro_config, &dev->vp3054->adap); if (dev->dvb.frontend != NULL) { - dvb_attach(simple_tuner_attach, dev->dvb.frontend, - &dev->core->i2c_adap, 0x61, - TUNER_PHILIPS_FMD1216ME_MK3); + if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend, + &core->i2c_adap, 0x61, + TUNER_PHILIPS_FMD1216ME_MK3)) + goto frontend_detach; } #else - printk(KERN_ERR "%s/2: built without vp3054 support\n", dev->core->name); + printk(KERN_ERR "%s/2: built without vp3054 support\n", + core->name); #endif break; case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_HYBRID: dev->dvb.frontend = dvb_attach(zl10353_attach, &dvico_fusionhdtv_hybrid, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(simple_tuner_attach, dev->dvb.frontend, - &dev->core->i2c_adap, 0x61, - TUNER_THOMSON_FE6600); + if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend, + &core->i2c_adap, 0x61, + TUNER_THOMSON_FE6600)) + goto frontend_detach; } break; case CX88_BOARD_DVICO_FUSIONHDTV_DVB_T_PRO: dev->dvb.frontend = dvb_attach(zl10353_attach, &dvico_fusionhdtv_xc3028, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend == NULL) dev->dvb.frontend = dvb_attach(mt352_attach, &dvico_fusionhdtv_mt352_xc3028, - &dev->core->i2c_adap); + &core->i2c_adap); /* * On this board, the demod provides the I2C bus pullup. * We must not permit gate_ctrl to be performed, or @@ -668,19 +679,18 @@ static int dvb_register(struct cx8802_dev *dev) break; case CX88_BOARD_PCHDTV_HD3000: dev->dvb.frontend = dvb_attach(or51132_attach, &pchdtv_hd3000, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(simple_tuner_attach, dev->dvb.frontend, - &dev->core->i2c_adap, 0x61, - TUNER_THOMSON_DTT761X); + if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend, + &core->i2c_adap, 0x61, + TUNER_THOMSON_DTT761X)) + goto frontend_detach; } break; case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q: dev->ts_gen_cntrl = 0x08; - { - /* Do a hardware reset of chip before using it. */ - struct cx88_core *core = dev->core; + /* Do a hardware reset of chip before using it. */ cx_clear(MO_GP0_IO, 1); mdelay(100); cx_set(MO_GP0_IO, 1); @@ -690,139 +700,138 @@ static int dvb_register(struct cx8802_dev *dev) fusionhdtv_3_gold.pll_rf_set = lgdt330x_pll_rf_set; dev->dvb.frontend = dvb_attach(lgdt330x_attach, &fusionhdtv_3_gold, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(simple_tuner_attach, dev->dvb.frontend, - &dev->core->i2c_adap, 0x61, - TUNER_MICROTUNE_4042FI5); - } + if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend, + &core->i2c_adap, 0x61, + TUNER_MICROTUNE_4042FI5)) + goto frontend_detach; } break; case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T: dev->ts_gen_cntrl = 0x08; - { - /* Do a hardware reset of chip before using it. */ - struct cx88_core *core = dev->core; + /* Do a hardware reset of chip before using it. */ cx_clear(MO_GP0_IO, 1); mdelay(100); cx_set(MO_GP0_IO, 9); mdelay(200); dev->dvb.frontend = dvb_attach(lgdt330x_attach, &fusionhdtv_3_gold, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(simple_tuner_attach, dev->dvb.frontend, - &dev->core->i2c_adap, 0x61, - TUNER_THOMSON_DTT761X); - } + if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend, + &core->i2c_adap, 0x61, + TUNER_THOMSON_DTT761X)) + goto frontend_detach; } break; case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD: dev->ts_gen_cntrl = 0x08; - { - /* Do a hardware reset of chip before using it. */ - struct cx88_core *core = dev->core; + /* Do a hardware reset of chip before using it. */ cx_clear(MO_GP0_IO, 1); mdelay(100); cx_set(MO_GP0_IO, 1); mdelay(200); dev->dvb.frontend = dvb_attach(lgdt330x_attach, &fusionhdtv_5_gold, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(simple_tuner_attach, dev->dvb.frontend, - &dev->core->i2c_adap, 0x61, - TUNER_LG_TDVS_H06XF); - dvb_attach(tda9887_attach, dev->dvb.frontend, - &dev->core->i2c_adap, 0x43); - } + if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend, + &core->i2c_adap, 0x61, + TUNER_LG_TDVS_H06XF)) + goto frontend_detach; + if (!dvb_attach(tda9887_attach, dev->dvb.frontend, + &core->i2c_adap, 0x43)) + goto frontend_detach; } break; case CX88_BOARD_PCHDTV_HD5500: dev->ts_gen_cntrl = 0x08; - { - /* Do a hardware reset of chip before using it. */ - struct cx88_core *core = dev->core; + /* Do a hardware reset of chip before using it. */ cx_clear(MO_GP0_IO, 1); mdelay(100); cx_set(MO_GP0_IO, 1); mdelay(200); dev->dvb.frontend = dvb_attach(lgdt330x_attach, &pchdtv_hd5500, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(simple_tuner_attach, dev->dvb.frontend, - &dev->core->i2c_adap, 0x61, - TUNER_LG_TDVS_H06XF); - dvb_attach(tda9887_attach, dev->dvb.frontend, - &dev->core->i2c_adap, 0x43); - } + if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend, + &core->i2c_adap, 0x61, + TUNER_LG_TDVS_H06XF)) + goto frontend_detach; + if (!dvb_attach(tda9887_attach, dev->dvb.frontend, + &core->i2c_adap, 0x43)) + goto frontend_detach; } break; case CX88_BOARD_ATI_HDTVWONDER: dev->dvb.frontend = dvb_attach(nxt200x_attach, &ati_hdtvwonder, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { - dvb_attach(simple_tuner_attach, dev->dvb.frontend, - &dev->core->i2c_adap, 0x61, - TUNER_PHILIPS_TUV1236D); + if (!dvb_attach(simple_tuner_attach, dev->dvb.frontend, + &core->i2c_adap, 0x61, + TUNER_PHILIPS_TUV1236D)) + goto frontend_detach; } break; case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: dev->dvb.frontend = dvb_attach(cx24123_attach, &hauppauge_novas_config, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend) { - dvb_attach(isl6421_attach, dev->dvb.frontend, - &dev->core->i2c_adap, 0x08, 0x00, 0x00); + if (!dvb_attach(isl6421_attach, dev->dvb.frontend, + &core->i2c_adap, 0x08, 0x00, 0x00)) + goto frontend_detach; } break; case CX88_BOARD_KWORLD_DVBS_100: dev->dvb.frontend = dvb_attach(cx24123_attach, &kworld_dvbs_100_config, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend) { - dev->core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage; + core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage; dev->dvb.frontend->ops.set_voltage = kworld_dvbs_100_set_voltage; } break; case CX88_BOARD_GENIATECH_DVBS: dev->dvb.frontend = dvb_attach(cx24123_attach, &geniatech_dvbs_config, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend) { - dev->core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage; + core->prev_set_voltage = dev->dvb.frontend->ops.set_voltage; dev->dvb.frontend->ops.set_voltage = geniatech_dvbs_set_voltage; } break; case CX88_BOARD_PINNACLE_PCTV_HD_800i: dev->dvb.frontend = dvb_attach(s5h1409_attach, &pinnacle_pctv_hd_800i_config, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { /* tuner_config.video_dev must point to * i2c_adap.algo_data */ pinnacle_pctv_hd_800i_tuner_config.priv = - dev->core->i2c_adap.algo_data; - dvb_attach(xc5000_attach, dev->dvb.frontend, - &dev->core->i2c_adap, - &pinnacle_pctv_hd_800i_tuner_config); + core->i2c_adap.algo_data; + if (!dvb_attach(xc5000_attach, dev->dvb.frontend, + &core->i2c_adap, + &pinnacle_pctv_hd_800i_tuner_config)) + goto frontend_detach; } break; case CX88_BOARD_DVICO_FUSIONHDTV_5_PCI_NANO: dev->dvb.frontend = dvb_attach(s5h1409_attach, &dvico_hdtv5_pci_nano_config, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { struct dvb_frontend *fe; struct xc2028_config cfg = { - .i2c_adap = &dev->core->i2c_adap, + .i2c_adap = &core->i2c_adap, .i2c_addr = 0x61, .callback = cx88_pci_nano_callback, }; @@ -841,50 +850,51 @@ static int dvb_register(struct cx8802_dev *dev) case CX88_BOARD_PINNACLE_HYBRID_PCTV: dev->dvb.frontend = dvb_attach(zl10353_attach, &cx88_geniatech_x8000_mt, - &dev->core->i2c_adap); + &core->i2c_adap); if (attach_xc3028(0x61, dev) < 0) - return -EINVAL; + goto frontend_detach; break; case CX88_BOARD_GENIATECH_X8000_MT: dev->ts_gen_cntrl = 0x00; dev->dvb.frontend = dvb_attach(zl10353_attach, &cx88_geniatech_x8000_mt, - &dev->core->i2c_adap); + &core->i2c_adap); if (attach_xc3028(0x61, dev) < 0) - return -EINVAL; + goto frontend_detach; break; case CX88_BOARD_KWORLD_ATSC_120: dev->dvb.frontend = dvb_attach(s5h1409_attach, &kworld_atsc_120_config, - &dev->core->i2c_adap); + &core->i2c_adap); if (attach_xc3028(0x61, dev) < 0) - return -EINVAL; + goto frontend_detach; break; case CX88_BOARD_DVICO_FUSIONHDTV_7_GOLD: dev->dvb.frontend = dvb_attach(s5h1411_attach, &dvico_fusionhdtv7_config, - &dev->core->i2c_adap); + &core->i2c_adap); if (dev->dvb.frontend != NULL) { /* tuner_config.video_dev must point to * i2c_adap.algo_data */ dvico_fusionhdtv7_tuner_config.priv = - dev->core->i2c_adap.algo_data; - dvb_attach(xc5000_attach, dev->dvb.frontend, - &dev->core->i2c_adap, - &dvico_fusionhdtv7_tuner_config); + core->i2c_adap.algo_data; + if (!dvb_attach(xc5000_attach, dev->dvb.frontend, + &core->i2c_adap, + &dvico_fusionhdtv7_tuner_config)) + goto frontend_detach; } break; default: printk(KERN_ERR "%s/2: The frontend of your DVB/ATSC card isn't supported yet\n", - dev->core->name); + core->name); break; } if (NULL == dev->dvb.frontend) { printk(KERN_ERR "%s/2: frontend initialization failed\n", - dev->core->name); + core->name); return -EINVAL; } @@ -892,11 +902,18 @@ static int dvb_register(struct cx8802_dev *dev) dev->dvb.frontend->ops.ts_bus_ctrl = cx88_dvb_bus_ctrl; /* Put the analog decoder in standby to keep it quiet */ - cx88_call_i2c_clients (dev->core, TUNER_SET_STANDBY, NULL); + cx88_call_i2c_clients(core, TUNER_SET_STANDBY, NULL); /* register everything */ return videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev, &dev->pci->dev, adapter_nr); + +frontend_detach: + if (dev->dvb.frontend) { + dvb_frontend_detach(dev->dvb.frontend); + dev->dvb.frontend = NULL; + } + return -EINVAL; } /* ----------------------------------------------------------- */ -- 2.34.1