diff options
Diffstat (limited to 'drivers/media/usb/cx231xx/cx231xx-cards.c')
| -rw-r--r-- | drivers/media/usb/cx231xx/cx231xx-cards.c | 110 |
1 files changed, 57 insertions, 53 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c index a384f80f595e..528cce958a82 100644 --- a/drivers/media/usb/cx231xx/cx231xx-cards.c +++ b/drivers/media/usb/cx231xx/cx231xx-cards.c @@ -978,7 +978,6 @@ static int cx231xx_init_dev(struct cx231xx *dev, struct usb_device *udev, int minor) { int retval = -ENOMEM; - int errCode; unsigned int maxh, maxw; dev->udev = udev; @@ -1014,8 +1013,8 @@ static int cx231xx_init_dev(struct cx231xx *dev, struct usb_device *udev, /* Cx231xx pre card setup */ cx231xx_pre_card_setup(dev); - errCode = cx231xx_config(dev); - if (errCode) { + retval = cx231xx_config(dev); + if (retval) { cx231xx_errdev("error configuring device\n"); return -ENOMEM; } @@ -1024,12 +1023,11 @@ static int cx231xx_init_dev(struct cx231xx *dev, struct usb_device *udev, dev->norm = dev->board.norm; /* register i2c bus */ - errCode = cx231xx_dev_init(dev); - if (errCode < 0) { - cx231xx_dev_uninit(dev); + retval = cx231xx_dev_init(dev); + if (retval) { cx231xx_errdev("%s: cx231xx_i2c_register - errCode [%d]!\n", - __func__, errCode); - return errCode; + __func__, retval); + goto err_dev_init; } /* Do board specific init */ @@ -1047,11 +1045,11 @@ static int cx231xx_init_dev(struct cx231xx *dev, struct usb_device *udev, dev->interlaced = 0; dev->video_input = 0; - errCode = cx231xx_config(dev); - if (errCode < 0) { + retval = cx231xx_config(dev); + if (retval) { cx231xx_errdev("%s: cx231xx_config - errCode [%d]!\n", - __func__, errCode); - return errCode; + __func__, retval); + goto err_dev_init; } /* init video dma queues */ @@ -1075,9 +1073,9 @@ static int cx231xx_init_dev(struct cx231xx *dev, struct usb_device *udev, } retval = cx231xx_register_analog_devices(dev); - if (retval < 0) { - cx231xx_release_resources(dev); - return retval; + if (retval) { + cx231xx_release_analog_resources(dev); + goto err_analog; } cx231xx_ir_init(dev); @@ -1085,6 +1083,11 @@ static int cx231xx_init_dev(struct cx231xx *dev, struct usb_device *udev, cx231xx_init_extension(dev); return 0; +err_analog: + cx231xx_remove_from_devlist(dev); +err_dev_init: + cx231xx_dev_uninit(dev); + return retval; } #if defined(CONFIG_MODULES) && defined(MODULE) @@ -1132,7 +1135,6 @@ static int cx231xx_usb_probe(struct usb_interface *interface, char *speed; struct usb_interface_assoc_descriptor *assoc_desc; - udev = usb_get_dev(interface_to_usbdev(interface)); ifnum = interface->altsetting[0].desc.bInterfaceNumber; /* @@ -1161,6 +1163,8 @@ static int cx231xx_usb_probe(struct usb_interface *interface, return -ENOMEM; } + udev = usb_get_dev(interface_to_usbdev(interface)); + snprintf(dev->name, 29, "cx231xx #%d", nr); dev->devno = nr; dev->model = id->driver_info; @@ -1223,10 +1227,8 @@ static int cx231xx_usb_probe(struct usb_interface *interface, if (assoc_desc->bFirstInterface != ifnum) { cx231xx_err(DRIVER_NAME ": Not found " "matching IAD interface\n"); - clear_bit(dev->devno, &cx231xx_devused); - kfree(dev); - dev = NULL; - return -ENODEV; + retval = -ENODEV; + goto err_if; } cx231xx_info("registering interface %d\n", ifnum); @@ -1242,22 +1244,13 @@ static int cx231xx_usb_probe(struct usb_interface *interface, retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev); if (retval) { cx231xx_errdev("v4l2_device_register failed\n"); - clear_bit(dev->devno, &cx231xx_devused); - kfree(dev); - dev = NULL; - return -EIO; + retval = -EIO; + goto err_v4l2; } /* allocate device struct */ retval = cx231xx_init_dev(dev, udev, nr); - if (retval) { - clear_bit(dev->devno, &cx231xx_devused); - v4l2_device_unregister(&dev->v4l2_dev); - kfree(dev); - dev = NULL; - usb_set_intfdata(interface, NULL); - - return retval; - } + if (retval) + goto err_init; /* compute alternate max packet sizes for video */ uif = udev->actconfig->interface[dev->current_pcb_config. @@ -1275,11 +1268,8 @@ static int cx231xx_usb_probe(struct usb_interface *interface, if (dev->video_mode.alt_max_pkt_size == NULL) { cx231xx_errdev("out of memory!\n"); - clear_bit(dev->devno, &cx231xx_devused); - v4l2_device_unregister(&dev->v4l2_dev); - kfree(dev); - dev = NULL; - return -ENOMEM; + retval = -ENOMEM; + goto err_video_alt; } for (i = 0; i < dev->video_mode.num_alt; i++) { @@ -1309,11 +1299,8 @@ static int cx231xx_usb_probe(struct usb_interface *interface, if (dev->vbi_mode.alt_max_pkt_size == NULL) { cx231xx_errdev("out of memory!\n"); - clear_bit(dev->devno, &cx231xx_devused); - v4l2_device_unregister(&dev->v4l2_dev); - kfree(dev); - dev = NULL; - return -ENOMEM; + retval = -ENOMEM; + goto err_vbi_alt; } for (i = 0; i < dev->vbi_mode.num_alt; i++) { @@ -1344,11 +1331,8 @@ static int cx231xx_usb_probe(struct usb_interface *interface, if (dev->sliced_cc_mode.alt_max_pkt_size == NULL) { cx231xx_errdev("out of memory!\n"); - clear_bit(dev->devno, &cx231xx_devused); - v4l2_device_unregister(&dev->v4l2_dev); - kfree(dev); - dev = NULL; - return -ENOMEM; + retval = -ENOMEM; + goto err_sliced_cc_alt; } for (i = 0; i < dev->sliced_cc_mode.num_alt; i++) { @@ -1380,11 +1364,8 @@ static int cx231xx_usb_probe(struct usb_interface *interface, if (dev->ts1_mode.alt_max_pkt_size == NULL) { cx231xx_errdev("out of memory!\n"); - clear_bit(dev->devno, &cx231xx_devused); - v4l2_device_unregister(&dev->v4l2_dev); - kfree(dev); - dev = NULL; - return -ENOMEM; + retval = -ENOMEM; + goto err_ts1_alt; } for (i = 0; i < dev->ts1_mode.num_alt; i++) { @@ -1411,6 +1392,29 @@ static int cx231xx_usb_probe(struct usb_interface *interface, request_modules(dev); return 0; +err_ts1_alt: + kfree(dev->sliced_cc_mode.alt_max_pkt_size); +err_sliced_cc_alt: + kfree(dev->vbi_mode.alt_max_pkt_size); +err_vbi_alt: + kfree(dev->video_mode.alt_max_pkt_size); +err_video_alt: + /* cx231xx_uninit_dev: */ + cx231xx_close_extension(dev); + cx231xx_ir_exit(dev); + cx231xx_release_analog_resources(dev); + cx231xx_417_unregister(dev); + cx231xx_remove_from_devlist(dev); + cx231xx_dev_uninit(dev); +err_init: + v4l2_device_unregister(&dev->v4l2_dev); +err_v4l2: + usb_set_intfdata(interface, NULL); +err_if: + usb_put_dev(udev); + clear_bit(dev->devno, &cx231xx_devused); + kfree(dev); + return retval; } /* |