diff options
Diffstat (limited to 'net/nfc/digital_core.c')
| -rw-r--r-- | net/nfc/digital_core.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/net/nfc/digital_core.c b/net/nfc/digital_core.c index ec0a8998e52d..dae378f1d52b 100644 --- a/net/nfc/digital_core.c +++ b/net/nfc/digital_core.c @@ -1,16 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * NFC Digital Protocol stack * Copyright (c) 2013, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * */ #define pr_fmt(fmt) "digital: %s: " fmt, __func__ @@ -286,6 +277,7 @@ int digital_tg_configure_hw(struct nfc_digital_dev *ddev, int type, int param) static int digital_tg_listen_mdaa(struct nfc_digital_dev *ddev, u8 rf_tech) { struct digital_tg_mdaa_params *params; + int rc; params = kzalloc(sizeof(*params), GFP_KERNEL); if (!params) @@ -300,8 +292,12 @@ static int digital_tg_listen_mdaa(struct nfc_digital_dev *ddev, u8 rf_tech) get_random_bytes(params->nfcid2 + 2, NFC_NFCID2_MAXSIZE - 2); params->sc = DIGITAL_SENSF_FELICA_SC; - return digital_send_cmd(ddev, DIGITAL_CMD_TG_LISTEN_MDAA, NULL, params, - 500, digital_tg_recv_atr_req, NULL); + rc = digital_send_cmd(ddev, DIGITAL_CMD_TG_LISTEN_MDAA, NULL, params, + 500, digital_tg_recv_atr_req, NULL); + if (rc) + kfree(params); + + return rc; } static int digital_tg_listen_md(struct nfc_digital_dev *ddev, u8 rf_tech) @@ -466,7 +462,10 @@ static void digital_add_poll_tech(struct nfc_digital_dev *ddev, u8 rf_tech, } /** - * start_poll operation + * digital_start_poll - start_poll operation + * @nfc_dev: device to be polled + * @im_protocols: bitset of nfc initiator protocols to be used for polling + * @tm_protocols: bitset of nfc transport protocols to be used for polling * * For every supported protocol, the corresponding polling function is added * to the table of polling technologies (ddev->poll_techs[]) using @@ -738,7 +737,7 @@ exit: return rc; } -static struct nfc_ops digital_nfc_ops = { +static const struct nfc_ops digital_nfc_ops = { .dev_up = digital_dev_up, .dev_down = digital_dev_down, .start_poll = digital_start_poll, @@ -751,7 +750,7 @@ static struct nfc_ops digital_nfc_ops = { .im_transceive = digital_in_send, }; -struct nfc_digital_dev *nfc_digital_allocate_device(struct nfc_digital_ops *ops, +struct nfc_digital_dev *nfc_digital_allocate_device(const struct nfc_digital_ops *ops, __u32 supported_protocols, __u32 driver_capabilities, int tx_headroom, int tx_tailroom) @@ -859,4 +858,5 @@ void nfc_digital_unregister_device(struct nfc_digital_dev *ddev) } EXPORT_SYMBOL(nfc_digital_unregister_device); +MODULE_DESCRIPTION("NFC Digital protocol stack"); MODULE_LICENSE("GPL"); |