diff options
Diffstat (limited to 'drivers/hid/usbhid/hid-core.c')
-rw-r--r-- | drivers/hid/usbhid/hid-core.c | 44 |
1 files changed, 35 insertions, 9 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 27fe4d8912c..5955d05ae54 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -770,8 +770,15 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) dbg_hid_line(" %02x", (unsigned char) rdesc[n]); dbg_hid_line("\n"); - if (!(hid = hid_parse_report(rdesc, n))) { + hid = hid_allocate_device(); + if (IS_ERR(hid)) { + kfree(rdesc); + return NULL; + } + + if (hid_parse_report(hid, rdesc, n)) { dbg_hid("parsing report descriptor failed\n"); + hid_destroy_device(hid); kfree(rdesc); return NULL; } @@ -798,10 +805,8 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) if (insize > HID_MAX_BUFFER_SIZE) insize = HID_MAX_BUFFER_SIZE; - if (hid_alloc_buffers(dev, hid)) { - hid_free_buffers(dev, hid); + if (hid_alloc_buffers(dev, hid)) goto fail; - } hid->name[0] = 0; @@ -881,7 +886,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf) hid->version = le16_to_cpu(hdesc->bcdHID); hid->country = hdesc->bCountryCode; - hid->dev = &intf->dev; + hid->dev.parent = &intf->dev; usbhid->intf = intf; usbhid->ifnum = interface->desc.bInterfaceNumber; @@ -925,7 +930,7 @@ fail: hid_free_buffers(dev, hid); kfree(usbhid); fail_no_usbhid: - hid_free_device(hid); + hid_destroy_device(hid); return NULL; } @@ -964,14 +969,14 @@ static void hid_disconnect(struct usb_interface *intf) hid_free_buffers(hid_to_usb_dev(hid), hid); kfree(usbhid); - hid_free_device(hid); + hid_destroy_device(hid); } static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct hid_device *hid; char path[64]; - int i; + int i, ret; char *c; dbg_hid("HID probe called for ifnum %d\n", @@ -1037,7 +1042,12 @@ static int hid_probe(struct usb_interface *intf, const struct usb_device_id *id) printk(": USB HID v%x.%02x %s [%s] on %s\n", hid->version >> 8, hid->version & 0xff, c, hid->name, path); - return 0; + ret = hid_add_device(hid); + if (ret) { + dev_err(&intf->dev, "can't add hid device: %d\n", ret); + hid_disconnect(intf); + } + return ret; } static int hid_suspend(struct usb_interface *intf, pm_message_t message) @@ -1107,9 +1117,22 @@ static struct usb_driver hid_driver = { .supports_autosuspend = 1, }; +static const struct hid_device_id hid_usb_table[] = { + { HID_USB_DEVICE(HID_ANY_ID, HID_ANY_ID) }, + { } +}; + +static struct hid_driver hid_usb_driver = { + .name = "generic-usb", + .id_table = hid_usb_table, +}; + static int __init hid_init(void) { int retval; + retval = hid_register_driver(&hid_usb_driver); + if (retval) + goto hid_register_fail; retval = usbhid_quirks_init(quirks_param); if (retval) goto usbhid_quirks_init_fail; @@ -1127,6 +1150,8 @@ usb_register_fail: hiddev_init_fail: usbhid_quirks_exit(); usbhid_quirks_init_fail: + hid_unregister_driver(&hid_usb_driver); +hid_register_fail: return retval; } @@ -1135,6 +1160,7 @@ static void __exit hid_exit(void) usb_deregister(&hid_driver); hiddev_exit(); usbhid_quirks_exit(); + hid_unregister_driver(&hid_usb_driver); } module_init(hid_init); |