diff options
Diffstat (limited to 'net/nfc/hci/llc.c')
| -rw-r--r-- | net/nfc/hci/llc.c | 46 |
1 files changed, 13 insertions, 33 deletions
diff --git a/net/nfc/hci/llc.c b/net/nfc/hci/llc.c index 3d699cbc7435..e6cf4eb06b46 100644 --- a/net/nfc/hci/llc.c +++ b/net/nfc/hci/llc.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Link Layer Control manager * * Copyright (C) 2012 Intel Corporation. All rights reserved. - * - * 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 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/>. */ #include <net/nfc/llc.h> @@ -22,7 +11,7 @@ static LIST_HEAD(llc_engines); -int nfc_llc_init(void) +int __init nfc_llc_init(void) { int r; @@ -41,18 +30,22 @@ exit: return r; } +static void nfc_llc_del_engine(struct nfc_llc_engine *llc_engine) +{ + list_del(&llc_engine->entry); + kfree_const(llc_engine->name); + kfree(llc_engine); +} + void nfc_llc_exit(void) { struct nfc_llc_engine *llc_engine, *n; - list_for_each_entry_safe(llc_engine, n, &llc_engines, entry) { - list_del(&llc_engine->entry); - kfree(llc_engine->name); - kfree(llc_engine); - } + list_for_each_entry_safe(llc_engine, n, &llc_engines, entry) + nfc_llc_del_engine(llc_engine); } -int nfc_llc_register(const char *name, struct nfc_llc_ops *ops) +int nfc_llc_register(const char *name, const struct nfc_llc_ops *ops) { struct nfc_llc_engine *llc_engine; @@ -60,7 +53,7 @@ int nfc_llc_register(const char *name, struct nfc_llc_ops *ops) if (llc_engine == NULL) return -ENOMEM; - llc_engine->name = kstrdup(name, GFP_KERNEL); + llc_engine->name = kstrdup_const(name, GFP_KERNEL); if (llc_engine->name == NULL) { kfree(llc_engine); return -ENOMEM; @@ -85,19 +78,6 @@ static struct nfc_llc_engine *nfc_llc_name_to_engine(const char *name) return NULL; } -void nfc_llc_unregister(const char *name) -{ - struct nfc_llc_engine *llc_engine; - - llc_engine = nfc_llc_name_to_engine(name); - if (llc_engine == NULL) - return; - - list_del(&llc_engine->entry); - kfree(llc_engine->name); - kfree(llc_engine); -} - struct nfc_llc *nfc_llc_allocate(const char *name, struct nfc_hci_dev *hdev, xmit_to_drv_t xmit_to_drv, rcv_to_hci_t rcv_to_hci, int tx_headroom, |