From 958e46acc8e900e8569dd467c1af9b8d2d019394 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:54 +0000
Subject: [PATCH] disable cpu isolcpus
---
kernel/net/nfc/netlink.c | 80 ++++++++++++++++------------------------
1 files changed, 32 insertions(+), 48 deletions(-)
diff --git a/kernel/net/nfc/netlink.c b/kernel/net/nfc/netlink.c
index 0a31201..b8939eb 100644
--- a/kernel/net/nfc/netlink.c
+++ b/kernel/net/nfc/netlink.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2011 Instituto Nokia de Tecnologia
*
@@ -10,19 +11,6 @@
*
* Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
* Copyright 2013-2014 Intel Mobile Communications GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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__
@@ -118,21 +106,14 @@
static struct nfc_dev *__get_device_from_cb(struct netlink_callback *cb)
{
- struct nlattr **attrbuf = genl_family_attrbuf(&nfc_genl_family);
+ const struct genl_dumpit_info *info = genl_dumpit_info(cb);
struct nfc_dev *dev;
- int rc;
u32 idx;
- rc = nlmsg_parse(cb->nlh, GENL_HDRLEN + nfc_genl_family.hdrsize,
- attrbuf, nfc_genl_family.maxattr, nfc_genl_policy,
- NULL);
- if (rc < 0)
- return ERR_PTR(rc);
-
- if (!attrbuf[NFC_ATTR_DEVICE_INDEX])
+ if (!info->attrs[NFC_ATTR_DEVICE_INDEX])
return ERR_PTR(-EINVAL);
- idx = nla_get_u32(attrbuf[NFC_ATTR_DEVICE_INDEX]);
+ idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
dev = nfc_get_device(idx);
if (!dev)
@@ -396,7 +377,7 @@
if (nla_put_u32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx))
goto nla_put_failure;
- sdp_attr = nla_nest_start(msg, NFC_ATTR_LLC_SDP);
+ sdp_attr = nla_nest_start_noflag(msg, NFC_ATTR_LLC_SDP);
if (sdp_attr == NULL) {
rc = -ENOMEM;
goto nla_put_failure;
@@ -406,7 +387,7 @@
hlist_for_each_entry_safe(sdres, n, sdres_list, node) {
pr_debug("uri: %s, sap: %d\n", sdres->uri, sdres->sap);
- uri_attr = nla_nest_start(msg, i++);
+ uri_attr = nla_nest_start_noflag(msg, i++);
if (uri_attr == NULL) {
rc = -ENOMEM;
goto nla_put_failure;
@@ -1185,8 +1166,9 @@
tlvs_len = 0;
nla_for_each_nested(attr, info->attrs[NFC_ATTR_LLC_SDP], rem) {
- rc = nla_parse_nested(sdp_attrs, NFC_SDP_ATTR_MAX, attr,
- nfc_sdp_genl_policy, info->extack);
+ rc = nla_parse_nested_deprecated(sdp_attrs, NFC_SDP_ATTR_MAX,
+ attr, nfc_sdp_genl_policy,
+ info->extack);
if (rc != 0) {
rc = -EINVAL;
@@ -1262,7 +1244,7 @@
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
if (!msg)
return -ENOMEM;
@@ -1278,7 +1260,7 @@
genlmsg_end(msg, hdr);
- genlmsg_multicast(&nfc_genl_family, msg, 0, 0, GFP_KERNEL);
+ genlmsg_multicast(&nfc_genl_family, msg, 0, 0, GFP_ATOMIC);
return 0;
@@ -1677,102 +1659,103 @@
static const struct genl_ops nfc_genl_ops[] = {
{
.cmd = NFC_CMD_GET_DEVICE,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_get_device,
.dumpit = nfc_genl_dump_devices,
.done = nfc_genl_dump_devices_done,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_DEV_UP,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_dev_up,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_DEV_DOWN,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_dev_down,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_START_POLL,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_start_poll,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_STOP_POLL,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_stop_poll,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_DEP_LINK_UP,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_dep_link_up,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_DEP_LINK_DOWN,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_dep_link_down,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_GET_TARGET,
+ .validate = GENL_DONT_VALIDATE_STRICT |
+ GENL_DONT_VALIDATE_DUMP_STRICT,
.dumpit = nfc_genl_dump_targets,
.done = nfc_genl_dump_targets_done,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_LLC_GET_PARAMS,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_llc_get_params,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_LLC_SET_PARAMS,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_llc_set_params,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_LLC_SDREQ,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_llc_sdreq,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_FW_DOWNLOAD,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_fw_download,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_ENABLE_SE,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_enable_se,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_DISABLE_SE,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_disable_se,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_GET_SE,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.dumpit = nfc_genl_dump_ses,
.done = nfc_genl_dump_ses_done,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_SE_IO,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_se_io,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_ACTIVATE_TARGET,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_activate_target,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_VENDOR,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_vendor_cmd,
- .policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_DEACTIVATE_TARGET,
+ .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nfc_genl_deactivate_target,
- .policy = nfc_genl_policy,
},
};
@@ -1781,6 +1764,7 @@
.name = NFC_GENL_NAME,
.version = NFC_GENL_VERSION,
.maxattr = NFC_ATTR_MAX,
+ .policy = nfc_genl_policy,
.module = THIS_MODULE,
.ops = nfc_genl_ops,
.n_ops = ARRAY_SIZE(nfc_genl_ops),
--
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