diff options
Diffstat (limited to 'net/nfc/digital_dep.c')
| -rw-r--r-- | net/nfc/digital_dep.c | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/net/nfc/digital_dep.c b/net/nfc/digital_dep.c index 4f9a973988b2..3982fa084737 100644 --- a/net/nfc/digital_dep.c +++ b/net/nfc/digital_dep.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__ @@ -47,9 +38,6 @@ #define DIGITAL_GB_BIT 0x02 -#define DIGITAL_NFC_DEP_REQ_RES_HEADROOM 2 /* SoD: [SB (NFC-A)] + LEN */ -#define DIGITAL_NFC_DEP_REQ_RES_TAILROOM 2 /* EoD: 2-byte CRC */ - #define DIGITAL_NFC_DEP_PFB_TYPE(pfb) ((pfb) & 0xE0) #define DIGITAL_NFC_DEP_PFB_TIMEOUT_BIT 0x10 @@ -80,7 +68,7 @@ struct digital_atr_req { u8 bs; u8 br; u8 pp; - u8 gb[0]; + u8 gb[]; } __packed; struct digital_atr_res { @@ -92,7 +80,7 @@ struct digital_atr_res { u8 br; u8 to; u8 pp; - u8 gb[0]; + u8 gb[]; } __packed; struct digital_psl_req { @@ -1229,7 +1217,7 @@ static void digital_tg_recv_dep_req(struct nfc_digital_dev *ddev, void *arg, /* ACK */ if (ddev->atn_count) { - /* The target has previously recevied one or more ATN + /* The target has previously received one or more ATN * PDUs. */ ddev->atn_count = 0; @@ -1285,6 +1273,8 @@ static void digital_tg_recv_dep_req(struct nfc_digital_dev *ddev, void *arg, } rc = nfc_tm_data_received(ddev->nfc_dev, resp); + if (rc) + resp = NULL; exit: kfree_skb(ddev->chaining_skb); |