From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/net/nfc/nci/ntf.c | 20 +++++++-------------
1 files changed, 7 insertions(+), 13 deletions(-)
diff --git a/kernel/net/nfc/nci/ntf.c b/kernel/net/nfc/nci/ntf.c
index 1e8c1a1..f8b20cd 100644
--- a/kernel/net/nfc/nci/ntf.c
+++ b/kernel/net/nfc/nci/ntf.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* The NFC Controller Interface is the communication protocol between an
* NFC Controller (NFCC) and a Device Host (DH).
@@ -10,19 +11,6 @@
* Acknowledgements:
* This file is based on hci_event.c, which was written
* by Maxim Krasnyansky.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation
- *
- * This program is distributed in the hope that 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see <http://www.gnu.org/licenses/>.
- *
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": %s: " fmt, __func__
@@ -230,6 +218,8 @@
target->sens_res = nfca_poll->sens_res;
target->sel_res = nfca_poll->sel_res;
target->nfcid1_len = nfca_poll->nfcid1_len;
+ if (target->nfcid1_len > ARRAY_SIZE(target->nfcid1))
+ return -EPROTO;
if (target->nfcid1_len > 0) {
memcpy(target->nfcid1, nfca_poll->nfcid1,
target->nfcid1_len);
@@ -238,6 +228,8 @@
nfcb_poll = (struct rf_tech_specific_params_nfcb_poll *)params;
target->sensb_res_len = nfcb_poll->sensb_res_len;
+ if (target->sensb_res_len > ARRAY_SIZE(target->sensb_res))
+ return -EPROTO;
if (target->sensb_res_len > 0) {
memcpy(target->sensb_res, nfcb_poll->sensb_res,
target->sensb_res_len);
@@ -246,6 +238,8 @@
nfcf_poll = (struct rf_tech_specific_params_nfcf_poll *)params;
target->sensf_res_len = nfcf_poll->sensf_res_len;
+ if (target->sensf_res_len > ARRAY_SIZE(target->sensf_res))
+ return -EPROTO;
if (target->sensf_res_len > 0) {
memcpy(target->sensf_res, nfcf_poll->sensf_res,
target->sensf_res_len);
--
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