/* returns ERR_PTR values */
static struct wireless_dev *
-__cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs)
+__cfg80211_wdev_from_attrs(struct cfg80211_registered_device *rdev,
+ struct net *netns, struct nlattr **attrs)
{
- struct cfg80211_registered_device *rdev;
struct wireless_dev *result = NULL;
bool have_ifidx = attrs[NL80211_ATTR_IFINDEX];
bool have_wdev_id = attrs[NL80211_ATTR_WDEV];
int wiphy_idx = -1;
int ifidx = -1;
- ASSERT_RTNL();
-
if (!have_ifidx && !have_wdev_id)
return ERR_PTR(-EINVAL);
wiphy_idx = wdev_id >> 32;
}
+ if (rdev) {
+ struct wireless_dev *wdev;
+
+ lockdep_assert_held(&rdev->wiphy.mtx);
+
+ list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
+ if (have_ifidx && wdev->netdev &&
+ wdev->netdev->ifindex == ifidx) {
+ result = wdev;
+ break;
+ }
+ if (have_wdev_id && wdev->identifier == (u32)wdev_id) {
+ result = wdev;
+ break;
+ }
+ }
+
+ return result ?: ERR_PTR(-ENODEV);
+ }
+
+ ASSERT_RTNL();
+
list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
struct wireless_dev *wdev;
return err;
}
- *wdev = __cfg80211_wdev_from_attrs(sock_net(cb->skb->sk),
+ rtnl_lock();
+ *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(cb->skb->sk),
attrbuf);
kfree(attrbuf);
- if (IS_ERR(*wdev))
+ if (IS_ERR(*wdev)) {
+ rtnl_unlock();
return PTR_ERR(*wdev);
+ }
*rdev = wiphy_to_rdev((*wdev)->wiphy);
+ mutex_lock(&(*rdev)->wiphy.mtx);
+ rtnl_unlock();
/* 0 is the first index - add 1 to parse only once */
cb->args[0] = (*rdev)->wiphy_idx + 1;
cb->args[1] = (*wdev)->identifier;
} else {
/* subtract the 1 again here */
- struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
+ struct wiphy *wiphy;
struct wireless_dev *tmp;
- if (!wiphy)
+ rtnl_lock();
+ wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
+ if (!wiphy) {
+ rtnl_unlock();
return -ENODEV;
+ }
*rdev = wiphy_to_rdev(wiphy);
*wdev = NULL;
}
}
- if (!*wdev)
+ if (!*wdev) {
+ rtnl_unlock();
return -ENODEV;
+ }
+ mutex_lock(&(*rdev)->wiphy.mtx);
+ rtnl_unlock();
}
return 0;
static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = NULL;
struct net_device *netdev = NULL;
struct wireless_dev *wdev;
int result = 0, rem_txq_params = 0;
u8 coverage_class = 0;
u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0;
- ASSERT_RTNL();
-
+ rtnl_lock();
/*
* Try to find the wiphy and netdev. Normally this
* function shouldn't need the netdev, but this is
if (!netdev) {
rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
info->attrs);
- if (IS_ERR(rdev))
+ if (IS_ERR(rdev)) {
+ rtnl_unlock();
return PTR_ERR(rdev);
+ }
wdev = NULL;
netdev = NULL;
result = 0;
} else
wdev = netdev->ieee80211_ptr;
+ wiphy_lock(&rdev->wiphy);
+ rtnl_unlock();
+
/*
* end workaround code, by now the rdev is available
* and locked, and wdev may or may not be NULL.
rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME]));
if (result)
- return result;
+ goto out;
if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) {
struct ieee80211_txq_params txq_params;
struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1];
- if (!rdev->ops->set_txq_params)
- return -EOPNOTSUPP;
+ if (!rdev->ops->set_txq_params) {
+ result = -EOPNOTSUPP;
+ goto out;
+ }
- if (!netdev)
- return -EINVAL;
+ if (!netdev) {
+ result = -EINVAL;
+ goto out;
+ }
if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
- netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
- return -EINVAL;
+ netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
+ result = -EINVAL;
+ goto out;
+ }
- if (!netif_running(netdev))
- return -ENETDOWN;
+ if (!netif_running(netdev)) {
+ result = -ENETDOWN;
+ goto out;
+ }
nla_for_each_nested(nl_txq_params,
info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS],
txq_params_policy,
info->extack);
if (result)
- return result;
+ goto out;
result = parse_txq_params(tb, &txq_params);
if (result)
- return result;
+ goto out;
result = rdev_set_txq_params(rdev, netdev,
&txq_params);
if (result)
- return result;
+ goto out;
}
}
nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
info);
if (result)
- return result;
+ goto out;
}
if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) {
if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER))
txp_wdev = NULL;
- if (!rdev->ops->set_tx_power)
- return -EOPNOTSUPP;
+ if (!rdev->ops->set_tx_power) {
+ result = -EOPNOTSUPP;
+ goto out;
+ }
idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING;
type = nla_get_u32(info->attrs[idx]);
if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] &&
- (type != NL80211_TX_POWER_AUTOMATIC))
- return -EINVAL;
+ (type != NL80211_TX_POWER_AUTOMATIC)) {
+ result = -EINVAL;
+ goto out;
+ }
if (type != NL80211_TX_POWER_AUTOMATIC) {
idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL;
result = rdev_set_tx_power(rdev, txp_wdev, type, mbm);
if (result)
- return result;
+ goto out;
}
if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] &&
if ((!rdev->wiphy.available_antennas_tx &&
!rdev->wiphy.available_antennas_rx) ||
- !rdev->ops->set_antenna)
- return -EOPNOTSUPP;
+ !rdev->ops->set_antenna) {
+ result = -EOPNOTSUPP;
+ goto out;
+ }
tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]);
rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]);
/* reject antenna configurations which don't match the
* available antenna masks, except for the "all" mask */
if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) ||
- (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx)))
- return -EINVAL;
+ (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) {
+ result = -EINVAL;
+ goto out;
+ }
tx_ant = tx_ant & rdev->wiphy.available_antennas_tx;
rx_ant = rx_ant & rdev->wiphy.available_antennas_rx;
result = rdev_set_antenna(rdev, tx_ant, rx_ant);
if (result)
- return result;
+ goto out;
}
changed = 0;
if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) {
frag_threshold = nla_get_u32(
info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]);
- if (frag_threshold < 256)
- return -EINVAL;
+ if (frag_threshold < 256) {
+ result = -EINVAL;
+ goto out;
+ }
if (frag_threshold != (u32) -1) {
/*
}
if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) {
- if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK])
- return -EINVAL;
+ if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
+ result = -EINVAL;
+ goto out;
+ }
coverage_class = nla_get_u8(
info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]);
}
if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) {
- if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION))
- return -EOPNOTSUPP;
+ if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) {
+ result = -EOPNOTSUPP;
+ goto out;
+ }
changed |= WIPHY_PARAM_DYN_ACK;
}
if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) {
if (!wiphy_ext_feature_isset(&rdev->wiphy,
- NL80211_EXT_FEATURE_TXQS))
- return -EOPNOTSUPP;
+ NL80211_EXT_FEATURE_TXQS)) {
+ result = -EOPNOTSUPP;
+ goto out;
+ }
txq_limit = nla_get_u32(
info->attrs[NL80211_ATTR_TXQ_LIMIT]);
changed |= WIPHY_PARAM_TXQ_LIMIT;
if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) {
if (!wiphy_ext_feature_isset(&rdev->wiphy,
- NL80211_EXT_FEATURE_TXQS))
- return -EOPNOTSUPP;
+ NL80211_EXT_FEATURE_TXQS)) {
+ result = -EOPNOTSUPP;
+ goto out;
+ }
txq_memory_limit = nla_get_u32(
info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]);
changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT;
if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) {
if (!wiphy_ext_feature_isset(&rdev->wiphy,
- NL80211_EXT_FEATURE_TXQS))
- return -EOPNOTSUPP;
+ NL80211_EXT_FEATURE_TXQS)) {
+ result = -EOPNOTSUPP;
+ goto out;
+ }
txq_quantum = nla_get_u32(
info->attrs[NL80211_ATTR_TXQ_QUANTUM]);
changed |= WIPHY_PARAM_TXQ_QUANTUM;
u8 old_coverage_class;
u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum;
- if (!rdev->ops->set_wiphy_params)
- return -EOPNOTSUPP;
+ if (!rdev->ops->set_wiphy_params) {
+ result = -EOPNOTSUPP;
+ goto out;
+ }
old_retry_short = rdev->wiphy.retry_short;
old_retry_long = rdev->wiphy.retry_long;
rdev->wiphy.txq_limit = old_txq_limit;
rdev->wiphy.txq_memory_limit = old_txq_memory_limit;
rdev->wiphy.txq_quantum = old_txq_quantum;
- return result;
+ goto out;
}
}
- return 0;
+
+ result = 0;
+
+out:
+ wiphy_unlock(&rdev->wiphy);
+ return result;
}
static int nl80211_send_chandef(struct sk_buff *msg,
if (!rdev->ops->del_virtual_intf)
return -EOPNOTSUPP;
+ /*
+ * We hold RTNL, so this is safe, without RTNL opencount cannot
+ * reach 0, and thus the rdev cannot be deleted.
+ *
+ * We need to do it for the dev_close(), since that will call
+ * the netdev notifiers, and we need to acquire the mutex there
+ * but don't know if we get there from here or from some other
+ * place (e.g. "ip link set ... down").
+ */
+ mutex_unlock(&rdev->wiphy.mtx);
+
/*
* If we remove a wireless device without a netdev then clear
* user_ptr[1] so that nl80211_post_doit won't dereference it
*/
if (!wdev->netdev)
info->user_ptr[1] = NULL;
+ else
+ dev_close(wdev->netdev);
+
+ mutex_lock(&rdev->wiphy.mtx);
return rdev_del_virtual_intf(rdev, wdev);
}
int sta_idx = cb->args[2];
int err;
- rtnl_lock();
err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
if (err)
- goto out_err;
+ return err;
+ /* nl80211_prepare_wdev_dump acquired it in the successful case */
+ __acquire(&rdev->wiphy.mtx);
if (!wdev->netdev) {
err = -EINVAL;
cb->args[2] = sta_idx;
err = skb->len;
out_err:
- rtnl_unlock();
+ wiphy_unlock(&rdev->wiphy);
return err;
}
int path_idx = cb->args[2];
int err;
- rtnl_lock();
err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
if (err)
- goto out_err;
+ return err;
+ /* nl80211_prepare_wdev_dump acquired it in the successful case */
+ __acquire(&rdev->wiphy.mtx);
if (!rdev->ops->dump_mpath) {
err = -EOPNOTSUPP;
cb->args[2] = path_idx;
err = skb->len;
out_err:
- rtnl_unlock();
+ wiphy_unlock(&rdev->wiphy);
return err;
}
int path_idx = cb->args[2];
int err;
- rtnl_lock();
err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
if (err)
- goto out_err;
+ return err;
+ /* nl80211_prepare_wdev_dump acquired it in the successful case */
+ __acquire(&rdev->wiphy.mtx);
if (!rdev->ops->dump_mpp) {
err = -EOPNOTSUPP;
cb->args[2] = path_idx;
err = skb->len;
out_err:
- rtnl_unlock();
+ wiphy_unlock(&rdev->wiphy);
return err;
}
if (!hdr)
goto put_failure;
+ rtnl_lock();
+
if (info->attrs[NL80211_ATTR_WIPHY]) {
bool self_managed;
rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
if (IS_ERR(rdev)) {
nlmsg_free(msg);
+ rtnl_unlock();
return PTR_ERR(rdev);
}
/* a self-managed-reg device must have a private regdom */
if (WARN_ON(!regdom && self_managed)) {
nlmsg_free(msg);
+ rtnl_unlock();
return -EINVAL;
}
rcu_read_unlock();
genlmsg_end(msg, hdr);
+ rtnl_unlock();
return genlmsg_reply(msg, info);
nla_put_failure_rcu:
rcu_read_unlock();
nla_put_failure:
+ rtnl_unlock();
put_failure:
nlmsg_free(msg);
return -EMSGSIZE;
return -EINVAL;
}
- if (!reg_is_valid_request(alpha2))
- return -EINVAL;
+ rtnl_lock();
+ if (!reg_is_valid_request(alpha2)) {
+ r = -EINVAL;
+ goto out;
+ }
rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL);
- if (!rd)
- return -ENOMEM;
+ if (!rd) {
+ r = -ENOMEM;
+ goto out;
+ }
rd->n_reg_rules = num_rules;
rd->alpha2[0] = alpha2[0];
}
}
+ r = set_regdom(rd, REGD_SOURCE_CRDA);
/* set_regdom takes ownership of rd */
- return set_regdom(rd, REGD_SOURCE_CRDA);
+ rd = NULL;
bad_reg:
kfree(rd);
+ out:
+ rtnl_unlock();
return r;
}
#endif /* CONFIG_CFG80211_CRDA_SUPPORT */
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_csa_settings params;
- /* csa_attrs is defined static to avoid waste of stack size - this
- * function is called under RTNL lock, so this should not be a problem.
- */
- static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1];
+ struct nlattr **csa_attrs = NULL;
int err;
bool need_new_beacon = false;
bool need_handle_dfs_flag = true;
if (err)
return err;
+ csa_attrs = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*csa_attrs),
+ GFP_KERNEL);
+ if (!csa_attrs)
+ return -ENOMEM;
+
err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX,
info->attrs[NL80211_ATTR_CSA_IES],
nl80211_policy, info->extack);
if (err)
- return err;
+ goto free;
err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa);
if (err)
- return err;
+ goto free;
- if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON])
- return -EINVAL;
+ if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]) {
+ err = -EINVAL;
+ goto free;
+ }
len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
- if (!len || (len % sizeof(u16)))
- return -EINVAL;
+ if (!len || (len % sizeof(u16))) {
+ err = -EINVAL;
+ goto free;
+ }
params.n_counter_offsets_beacon = len / sizeof(u16);
if (rdev->wiphy.max_num_csa_counters &&
(params.n_counter_offsets_beacon >
- rdev->wiphy.max_num_csa_counters))
- return -EINVAL;
+ rdev->wiphy.max_num_csa_counters)) {
+ err = -EINVAL;
+ goto free;
+ }
params.counter_offsets_beacon =
nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]);
for (i = 0; i < params.n_counter_offsets_beacon; i++) {
u16 offset = params.counter_offsets_beacon[i];
- if (offset >= params.beacon_csa.tail_len)
- return -EINVAL;
+ if (offset >= params.beacon_csa.tail_len) {
+ err = -EINVAL;
+ goto free;
+ }
- if (params.beacon_csa.tail[offset] != params.count)
- return -EINVAL;
+ if (params.beacon_csa.tail[offset] != params.count) {
+ err = -EINVAL;
+ goto free;
+ }
}
if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) {
len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
- if (!len || (len % sizeof(u16)))
- return -EINVAL;
+ if (!len || (len % sizeof(u16))) {
+ err = -EINVAL;
+ goto free;
+ }
params.n_counter_offsets_presp = len / sizeof(u16);
if (rdev->wiphy.max_num_csa_counters &&
(params.n_counter_offsets_presp >
- rdev->wiphy.max_num_csa_counters))
- return -EINVAL;
+ rdev->wiphy.max_num_csa_counters)) {
+ err = -EINVAL;
+ goto free;
+ }
params.counter_offsets_presp =
nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]);
for (i = 0; i < params.n_counter_offsets_presp; i++) {
u16 offset = params.counter_offsets_presp[i];
- if (offset >= params.beacon_csa.probe_resp_len)
- return -EINVAL;
+ if (offset >= params.beacon_csa.probe_resp_len) {
+ err = -EINVAL;
+ goto free;
+ }
if (params.beacon_csa.probe_resp[offset] !=
- params.count)
- return -EINVAL;
+ params.count) {
+ err = -EINVAL;
+ goto free;
+ }
}
}
skip_beacons:
err = nl80211_parse_chandef(rdev, info, ¶ms.chandef);
if (err)
- return err;
+ goto free;
if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef,
- wdev->iftype))
- return -EINVAL;
+ wdev->iftype)) {
+ err = -EINVAL;
+ goto free;
+ }
err = cfg80211_chandef_dfs_required(wdev->wiphy,
¶ms.chandef,
wdev->iftype);
if (err < 0)
- return err;
+ goto free;
if (err > 0) {
params.radar_required = true;
if (need_handle_dfs_flag &&
!nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) {
- return -EINVAL;
+ err = -EINVAL;
+ goto free;
}
}
err = rdev_channel_switch(rdev, dev, ¶ms);
wdev_unlock(wdev);
+free:
+ kfree(csa_attrs);
return err;
}
int start = cb->args[2], idx = 0;
int err;
- rtnl_lock();
err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
- if (err) {
- rtnl_unlock();
+ if (err)
return err;
- }
+ /* nl80211_prepare_wdev_dump acquired it in the successful case */
+ __acquire(&rdev->wiphy.mtx);
wdev_lock(wdev);
spin_lock_bh(&rdev->bss_lock);
wdev_unlock(wdev);
cb->args[2] = idx;
- rtnl_unlock();
+ wiphy_unlock(&rdev->wiphy);
return skb->len;
}
if (!attrbuf)
return -ENOMEM;
- rtnl_lock();
res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev);
- if (res)
- goto out_err;
+ if (res) {
+ kfree(attrbuf);
+ return res;
+ }
+ /* nl80211_prepare_wdev_dump acquired it in the successful case */
+ __acquire(&rdev->wiphy.mtx);
/* prepare_wdev_dump parsed the attributes */
radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS];
res = skb->len;
out_err:
kfree(attrbuf);
- rtnl_unlock();
+ wiphy_unlock(&rdev->wiphy);
return res;
}
static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
- struct wireless_dev *wdev =
- __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
+ struct wireless_dev *wdev;
int err;
+ lockdep_assert_held(&rdev->wiphy.mtx);
+
+ wdev = __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
+ info->attrs);
+
if (!rdev->ops->testmode_cmd)
return -EOPNOTSUPP;
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct wireless_dev *wdev =
- __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
+ __cfg80211_wdev_from_attrs(rdev, genl_info_net(info),
+ info->attrs);
int i, err;
u32 vid, subcmd;
goto out;
}
- *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf);
+ *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(skb->sk), attrbuf);
if (IS_ERR(*wdev))
*wdev = NULL;
static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb,
struct genl_info *info)
{
- struct cfg80211_registered_device *rdev;
+ struct cfg80211_registered_device *rdev = NULL;
struct wireless_dev *wdev;
struct net_device *dev;
- bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL;
-
- if (rtnl)
- rtnl_lock();
+ rtnl_lock();
if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
if (IS_ERR(rdev)) {
- if (rtnl)
- rtnl_unlock();
+ rtnl_unlock();
return PTR_ERR(rdev);
}
info->user_ptr[0] = rdev;
} else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV ||
ops->internal_flags & NL80211_FLAG_NEED_WDEV) {
- ASSERT_RTNL();
-
- wdev = __cfg80211_wdev_from_attrs(genl_info_net(info),
+ wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info),
info->attrs);
if (IS_ERR(wdev)) {
- if (rtnl)
- rtnl_unlock();
+ rtnl_unlock();
return PTR_ERR(wdev);
}
if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) {
if (!dev) {
- if (rtnl)
- rtnl_unlock();
+ rtnl_unlock();
return -EINVAL;
}
if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP &&
!wdev_running(wdev)) {
- if (rtnl)
- rtnl_unlock();
+ rtnl_unlock();
return -ENETDOWN;
}
info->user_ptr[0] = rdev;
}
+ if (rdev) {
+ wiphy_lock(&rdev->wiphy);
+ /* we keep the mutex locked until post_doit */
+ __release(&rdev->wiphy.mtx);
+ }
+ if (!(ops->internal_flags & NL80211_FLAG_NEED_RTNL))
+ rtnl_unlock();
+
return 0;
}
}
}
+ if (info->user_ptr[0]) {
+ struct cfg80211_registered_device *rdev = info->user_ptr[0];
+
+ /* we kept the mutex locked since pre_doit */
+ __acquire(&rdev->wiphy.mtx);
+ wiphy_unlock(&rdev->wiphy);
+ }
+
if (ops->internal_flags & NL80211_FLAG_NEED_RTNL)
rtnl_unlock();
.dumpit = nl80211_dump_wiphy,
.done = nl80211_dump_wiphy_done,
/* can be retrieved by unprivileged users */
- .internal_flags = NL80211_FLAG_NEED_WIPHY |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY,
},
};
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_wiphy,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_RTNL,
},
{
.cmd = NL80211_CMD_GET_INTERFACE,
.doit = nl80211_get_interface,
.dumpit = nl80211_dump_interface,
/* can be retrieved by unprivileged users */
- .internal_flags = NL80211_FLAG_NEED_WDEV |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WDEV,
},
{
.cmd = NL80211_CMD_SET_INTERFACE,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_get_key,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_SET_KEY,
.doit = nl80211_set_key,
.flags = GENL_UNS_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL |
NL80211_FLAG_CLEAR_SKB,
},
{
.doit = nl80211_new_key,
.flags = GENL_UNS_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL |
NL80211_FLAG_CLEAR_SKB,
},
{
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_del_key,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_SET_BEACON,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.flags = GENL_UNS_ADMIN_PERM,
.doit = nl80211_set_beacon,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_START_AP,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.flags = GENL_UNS_ADMIN_PERM,
.doit = nl80211_start_ap,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_STOP_AP,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.flags = GENL_UNS_ADMIN_PERM,
.doit = nl80211_stop_ap,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_GET_STATION,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_get_station,
.dumpit = nl80211_dump_station,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV,
},
{
.cmd = NL80211_CMD_SET_STATION,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_station,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_NEW_STATION,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_new_station,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_DEL_STATION,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_del_station,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_GET_MPATH,
.doit = nl80211_get_mpath,
.dumpit = nl80211_dump_mpath,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_GET_MPP,
.doit = nl80211_get_mpp,
.dumpit = nl80211_dump_mpp,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_SET_MPATH,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_mpath,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_NEW_MPATH,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_new_mpath,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_DEL_MPATH,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_del_mpath,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_SET_BSS,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_bss,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_GET_REG,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_get_reg_do,
.dumpit = nl80211_get_reg_dump,
- .internal_flags = NL80211_FLAG_NEED_RTNL,
+ .internal_flags = 0,
/* can be retrieved by unprivileged users */
},
#ifdef CONFIG_CFG80211_CRDA_SUPPORT
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_reg,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_RTNL,
+ .internal_flags = 0,
},
#endif
{
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_get_mesh_config,
/* can be retrieved by unprivileged users */
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_SET_MESH_CONFIG,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_update_mesh_config,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_TRIGGER_SCAN,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_trigger_scan,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
},
{
.cmd = NL80211_CMD_ABORT_SCAN,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_abort_scan,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
},
{
.cmd = NL80211_CMD_GET_SCAN,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_start_sched_scan,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_STOP_SCHED_SCAN,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_stop_sched_scan,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_AUTHENTICATE,
.doit = nl80211_authenticate,
.flags = GENL_UNS_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL |
+ 0 |
NL80211_FLAG_CLEAR_SKB,
},
{
.doit = nl80211_associate,
.flags = GENL_UNS_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL |
+ 0 |
NL80211_FLAG_CLEAR_SKB,
},
{
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_deauthenticate,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_DISASSOCIATE,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_disassociate,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_JOIN_IBSS,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_join_ibss,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_LEAVE_IBSS,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_leave_ibss,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
#ifdef CONFIG_NL80211_TESTMODE
{
.doit = nl80211_testmode_do,
.dumpit = nl80211_testmode_dump,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WIPHY |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY,
},
#endif
{
.doit = nl80211_connect,
.flags = GENL_UNS_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL |
+ 0 |
NL80211_FLAG_CLEAR_SKB,
},
{
.doit = nl80211_update_connect_params,
.flags = GENL_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL |
+ 0 |
NL80211_FLAG_CLEAR_SKB,
},
{
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_disconnect,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_SET_WIPHY_NETNS,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_wiphy_netns,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WIPHY |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY,
},
{
.cmd = NL80211_CMD_GET_SURVEY,
.doit = nl80211_setdel_pmksa,
.flags = GENL_UNS_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL |
+ 0 |
NL80211_FLAG_CLEAR_SKB,
},
{
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_setdel_pmksa,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_FLUSH_PMKSA,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_flush_pmksa,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_REMAIN_ON_CHANNEL,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_remain_on_channel,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
},
{
.cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_cancel_remain_on_channel,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
},
{
.cmd = NL80211_CMD_SET_TX_BITRATE_MASK,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_tx_bitrate_mask,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV,
},
{
.cmd = NL80211_CMD_REGISTER_FRAME,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_register_mgmt,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WDEV |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WDEV,
},
{
.cmd = NL80211_CMD_FRAME,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_tx_mgmt,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
},
{
.cmd = NL80211_CMD_FRAME_WAIT_CANCEL,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_tx_mgmt_cancel_wait,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
},
{
.cmd = NL80211_CMD_SET_POWER_SAVE,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_power_save,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV,
},
{
.cmd = NL80211_CMD_GET_POWER_SAVE,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_get_power_save,
/* can be retrieved by unprivileged users */
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV,
},
{
.cmd = NL80211_CMD_SET_CQM,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_cqm,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV,
},
{
.cmd = NL80211_CMD_SET_CHANNEL,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_channel,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV,
},
{
.cmd = NL80211_CMD_JOIN_MESH,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_join_mesh,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_LEAVE_MESH,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_leave_mesh,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_JOIN_OCB,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_join_ocb,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_LEAVE_OCB,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_leave_ocb,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
#ifdef CONFIG_PM
{
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_get_wowlan,
/* can be retrieved by unprivileged users */
- .internal_flags = NL80211_FLAG_NEED_WIPHY |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY,
},
{
.cmd = NL80211_CMD_SET_WOWLAN,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_wowlan,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WIPHY |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY,
},
#endif
{
.doit = nl80211_set_rekey_data,
.flags = GENL_UNS_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL |
+ 0 |
NL80211_FLAG_CLEAR_SKB,
},
{
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_tdls_mgmt,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_TDLS_OPER,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_tdls_oper,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_UNEXPECTED_FRAME,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_register_unexpected_frame,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV,
},
{
.cmd = NL80211_CMD_PROBE_CLIENT,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_probe_client,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_REGISTER_BEACONS,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_register_beacons,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WIPHY |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY,
},
{
.cmd = NL80211_CMD_SET_NOACK_MAP,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_noack_map,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV,
},
{
.cmd = NL80211_CMD_START_P2P_DEVICE,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_nan_add_func,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
},
{
.cmd = NL80211_CMD_DEL_NAN_FUNCTION,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_nan_del_func,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
},
{
.cmd = NL80211_CMD_CHANGE_NAN_CONFIG,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_nan_change_config,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
},
{
.cmd = NL80211_CMD_SET_MCAST_RATE,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_mcast_rate,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV,
},
{
.cmd = NL80211_CMD_SET_MAC_ACL,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_mac_acl,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV,
},
{
.cmd = NL80211_CMD_RADAR_DETECT,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_start_radar_detection,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_GET_PROTOCOL_FEATURES,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_update_ft_ies,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_CRIT_PROTOCOL_START,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_crit_protocol_start,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
},
{
.cmd = NL80211_CMD_CRIT_PROTOCOL_STOP,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_crit_protocol_stop,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
},
{
.cmd = NL80211_CMD_GET_COALESCE,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_get_coalesce,
- .internal_flags = NL80211_FLAG_NEED_WIPHY |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY,
},
{
.cmd = NL80211_CMD_SET_COALESCE,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_coalesce,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WIPHY |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WIPHY,
},
{
.cmd = NL80211_CMD_CHANNEL_SWITCH,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_channel_switch,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_VENDOR,
.dumpit = nl80211_vendor_cmd_dump,
.flags = GENL_UNS_ADMIN_PERM,
.internal_flags = NL80211_FLAG_NEED_WIPHY |
- NL80211_FLAG_NEED_RTNL |
+ 0 |
NL80211_FLAG_CLEAR_SKB,
},
{
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_qos_map,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_ADD_TX_TS,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_add_tx_ts,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_DEL_TX_TS,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_del_tx_ts,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_tdls_channel_switch,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_tdls_cancel_channel_switch,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_multicast_to_unicast,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV,
},
{
.cmd = NL80211_CMD_SET_PMK,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_set_pmk,
.internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL |
+ 0 |
NL80211_FLAG_CLEAR_SKB,
},
{
.cmd = NL80211_CMD_DEL_PMK,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_del_pmk,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_EXTERNAL_AUTH,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_external_auth,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_CONTROL_PORT_FRAME,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_tx_control_port,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_get_ftm_responder_stats,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV,
},
{
.cmd = NL80211_CMD_PEER_MEASUREMENT_START,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_pmsr_start,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_WDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_WDEV_UP,
},
{
.cmd = NL80211_CMD_NOTIFY_RADAR,
.validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP,
.doit = nl80211_notify_radar_detection,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_UPDATE_OWE_INFO,
.doit = nl80211_update_owe_info,
.flags = GENL_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_PROBE_MESH_LINK,
.doit = nl80211_probe_mesh_link,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV_UP |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV_UP,
},
{
.cmd = NL80211_CMD_SET_TID_CONFIG,
.doit = nl80211_set_tid_config,
.flags = GENL_UNS_ADMIN_PERM,
- .internal_flags = NL80211_FLAG_NEED_NETDEV |
- NL80211_FLAG_NEED_RTNL,
+ .internal_flags = NL80211_FLAG_NEED_NETDEV,
},
{
.cmd = NL80211_CMD_SET_SAR_SPECS,
* we directly assign the wireless handlers of wireless interfaces.
*
* Copyright 2008-2009 Johannes Berg <johannes@sipsolutions.net>
- * Copyright (C) 2019 Intel Corporation
+ * Copyright (C) 2019-2021 Intel Corporation
*/
#include <linux/export.h>
u32 orts = wdev->wiphy->rts_threshold;
int err;
- if (rts->disabled || !rts->fixed)
+ wiphy_lock(&rdev->wiphy);
+ if (rts->disabled || !rts->fixed) {
wdev->wiphy->rts_threshold = (u32) -1;
- else if (rts->value < 0)
- return -EINVAL;
- else
+ } else if (rts->value < 0) {
+ err = -EINVAL;
+ goto out;
+ } else {
wdev->wiphy->rts_threshold = rts->value;
+ }
err = rdev_set_wiphy_params(rdev, WIPHY_PARAM_RTS_THRESHOLD);
+
if (err)
wdev->wiphy->rts_threshold = orts;
+out:
+ wiphy_unlock(&rdev->wiphy);
return err;
}
EXPORT_WEXT_HANDLER(cfg80211_wext_siwrts);
u32 ofrag = wdev->wiphy->frag_threshold;
int err;
- if (frag->disabled || !frag->fixed)
+ wiphy_lock(&rdev->wiphy);
+ if (frag->disabled || !frag->fixed) {
wdev->wiphy->frag_threshold = (u32) -1;
- else if (frag->value < 256)
- return -EINVAL;
- else {
+ } else if (frag->value < 256) {
+ err = -EINVAL;
+ goto out;
+ } else {
/* Fragment length must be even, so strip LSB. */
wdev->wiphy->frag_threshold = frag->value & ~0x1;
}
err = rdev_set_wiphy_params(rdev, WIPHY_PARAM_FRAG_THRESHOLD);
if (err)
wdev->wiphy->frag_threshold = ofrag;
+out:
+ wiphy_unlock(&rdev->wiphy);
return err;
}
(retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
return -EINVAL;
+ wiphy_lock(&rdev->wiphy);
if (retry->flags & IW_RETRY_LONG) {
wdev->wiphy->retry_long = retry->value;
changed |= WIPHY_PARAM_RETRY_LONG;
wdev->wiphy->retry_short = oshort;
wdev->wiphy->retry_long = olong;
}
+ wiphy_unlock(&rdev->wiphy);
return err;
}
!rdev->ops->set_default_key)
return -EOPNOTSUPP;
+ wiphy_lock(&rdev->wiphy);
idx = erq->flags & IW_ENCODE_INDEX;
if (idx == 0) {
idx = wdev->wext.default_key;
if (idx < 0)
idx = 0;
- } else if (idx < 1 || idx > 4)
- return -EINVAL;
- else
+ } else if (idx < 1 || idx > 4) {
+ err = -EINVAL;
+ goto out;
+ } else {
idx--;
+ }
if (erq->flags & IW_ENCODE_DISABLED)
remove = true;
if (!err)
wdev->wext.default_key = idx;
wdev_unlock(wdev);
- return err;
+ goto out;
}
memset(¶ms, 0, sizeof(params));
params.key = keybuf;
params.key_len = erq->length;
- if (erq->length == 5)
+ if (erq->length == 5) {
params.cipher = WLAN_CIPHER_SUITE_WEP40;
- else if (erq->length == 13)
+ } else if (erq->length == 13) {
params.cipher = WLAN_CIPHER_SUITE_WEP104;
- else if (!remove)
- return -EINVAL;
+ } else if (!remove) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ err = cfg80211_set_encryption(rdev, dev, false, NULL, remove,
+ wdev->wext.default_key == -1,
+ idx, ¶ms);
+out:
+ wiphy_unlock(&rdev->wiphy);
- return cfg80211_set_encryption(rdev, dev, false, NULL, remove,
- wdev->wext.default_key == -1,
- idx, ¶ms);
+ return err;
}
static int cfg80211_wext_siwencodeext(struct net_device *dev,
struct cfg80211_chan_def chandef = {
.width = NL80211_CHAN_WIDTH_20_NOHT,
};
- int freq;
+ int freq, ret;
+
+ wiphy_lock(&rdev->wiphy);
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
- return cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra);
+ ret = cfg80211_mgd_wext_siwfreq(dev, info, wextfreq, extra);
+ break;
case NL80211_IFTYPE_ADHOC:
- return cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
+ ret = cfg80211_ibss_wext_siwfreq(dev, info, wextfreq, extra);
+ break;
case NL80211_IFTYPE_MONITOR:
freq = cfg80211_wext_freq(wextfreq);
- if (freq < 0)
- return freq;
- if (freq == 0)
- return -EINVAL;
+ if (freq < 0) {
+ ret = freq;
+ break;
+ }
+ if (freq == 0) {
+ ret = -EINVAL;
+ break;
+ }
chandef.center_freq1 = freq;
chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq);
- if (!chandef.chan)
- return -EINVAL;
- return cfg80211_set_monitor_channel(rdev, &chandef);
+ if (!chandef.chan) {
+ ret = -EINVAL;
+ break;
+ }
+ ret = cfg80211_set_monitor_channel(rdev, &chandef);
+ break;
case NL80211_IFTYPE_MESH_POINT:
freq = cfg80211_wext_freq(wextfreq);
- if (freq < 0)
- return freq;
- if (freq == 0)
- return -EINVAL;
+ if (freq < 0) {
+ ret = freq;
+ break;
+ }
+ if (freq == 0) {
+ ret = -EINVAL;
+ break;
+ }
chandef.center_freq1 = freq;
chandef.chan = ieee80211_get_channel(&rdev->wiphy, freq);
- if (!chandef.chan)
- return -EINVAL;
- return cfg80211_set_mesh_channel(rdev, wdev, &chandef);
+ if (!chandef.chan) {
+ ret = -EINVAL;
+ break;
+ }
+ ret = cfg80211_set_mesh_channel(rdev, wdev, &chandef);
+ break;
default:
- return -EOPNOTSUPP;
+ ret = -EOPNOTSUPP;
+ break;
}
+
+ wiphy_unlock(&rdev->wiphy);
+
+ return ret;
}
static int cfg80211_wext_giwfreq(struct net_device *dev,
struct cfg80211_chan_def chandef = {};
int ret;
+ wiphy_lock(&rdev->wiphy);
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
- return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
+ ret = cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
+ break;
case NL80211_IFTYPE_ADHOC:
- return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
+ ret = cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
+ break;
case NL80211_IFTYPE_MONITOR:
- if (!rdev->ops->get_channel)
- return -EINVAL;
+ if (!rdev->ops->get_channel) {
+ ret = -EINVAL;
+ break;
+ }
ret = rdev_get_channel(rdev, wdev, &chandef);
if (ret)
- return ret;
+ break;
freq->m = chandef.chan->center_freq;
freq->e = 6;
- return 0;
+ ret = 0;
+ break;
default:
- return -EINVAL;
+ ret = -EINVAL;
+ break;
}
+
+ wiphy_unlock(&rdev->wiphy);
+
+ return ret;
}
static int cfg80211_wext_siwtxpower(struct net_device *dev,
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
enum nl80211_tx_power_setting type;
int dbm = 0;
+ int ret;
if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
return -EINVAL;
return 0;
}
- return rdev_set_tx_power(rdev, wdev, type, DBM_TO_MBM(dbm));
+ wiphy_lock(&rdev->wiphy);
+ ret = rdev_set_tx_power(rdev, wdev, type, DBM_TO_MBM(dbm));
+ wiphy_unlock(&rdev->wiphy);
+
+ return ret;
}
static int cfg80211_wext_giwtxpower(struct net_device *dev,
if (!rdev->ops->get_tx_power)
return -EOPNOTSUPP;
+ wiphy_lock(&rdev->wiphy);
err = rdev_get_tx_power(rdev, wdev, &val);
+ wiphy_unlock(&rdev->wiphy);
if (err)
return err;
timeout = wrq->value / 1000;
}
+ wiphy_lock(&rdev->wiphy);
err = rdev_set_power_mgmt(rdev, dev, ps, timeout);
+ wiphy_unlock(&rdev->wiphy);
if (err)
return err;
struct cfg80211_bitrate_mask mask;
u32 fixed, maxrate;
struct ieee80211_supported_band *sband;
- int band, ridx;
+ int band, ridx, ret;
bool match = false;
if (!rdev->ops->set_bitrate_mask)
if (!match)
return -EINVAL;
- return rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
+ wiphy_lock(&rdev->wiphy);
+ ret = rdev_set_bitrate_mask(rdev, dev, NULL, &mask);
+ wiphy_unlock(&rdev->wiphy);
+
+ return ret;
}
static int cfg80211_wext_giwrate(struct net_device *dev,
if (err)
return err;
+ wiphy_lock(&rdev->wiphy);
err = rdev_get_station(rdev, dev, addr, &sinfo);
+ wiphy_unlock(&rdev->wiphy);
if (err)
return err;
static struct iw_statistics wstats;
static struct station_info sinfo = {};
u8 bssid[ETH_ALEN];
+ int ret;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION)
return NULL;
memset(&sinfo, 0, sizeof(sinfo));
- if (rdev_get_station(rdev, dev, bssid, &sinfo))
+ wiphy_lock(&rdev->wiphy);
+ ret = rdev_get_station(rdev, dev, bssid, &sinfo);
+ wiphy_unlock(&rdev->wiphy);
+
+ if (ret)
return NULL;
memset(&wstats, 0, sizeof(wstats));
struct sockaddr *ap_addr, char *extra)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+ int ret;
+ wiphy_lock(&rdev->wiphy);
switch (wdev->iftype) {
case NL80211_IFTYPE_ADHOC:
- return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
+ ret = cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
+ break;
case NL80211_IFTYPE_STATION:
- return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
+ ret = cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
+ break;
default:
- return -EOPNOTSUPP;
+ ret = -EOPNOTSUPP;
+ break;
}
+ wiphy_unlock(&rdev->wiphy);
+
+ return ret;
}
static int cfg80211_wext_giwap(struct net_device *dev,
struct sockaddr *ap_addr, char *extra)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+ int ret;
+ wiphy_lock(&rdev->wiphy);
switch (wdev->iftype) {
case NL80211_IFTYPE_ADHOC:
- return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
+ ret = cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
+ break;
case NL80211_IFTYPE_STATION:
- return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
+ ret = cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
+ break;
default:
- return -EOPNOTSUPP;
+ ret = -EOPNOTSUPP;
+ break;
}
+ wiphy_unlock(&rdev->wiphy);
+
+ return ret;
}
static int cfg80211_wext_siwessid(struct net_device *dev,
struct iw_point *data, char *ssid)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+ int ret;
+ wiphy_lock(&rdev->wiphy);
switch (wdev->iftype) {
case NL80211_IFTYPE_ADHOC:
- return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
+ ret = cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
+ break;
case NL80211_IFTYPE_STATION:
- return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
+ ret = cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
+ break;
default:
- return -EOPNOTSUPP;
+ ret = -EOPNOTSUPP;
+ break;
}
+ wiphy_unlock(&rdev->wiphy);
+
+ return ret;
}
static int cfg80211_wext_giwessid(struct net_device *dev,
struct iw_point *data, char *ssid)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
+ int ret;
data->flags = 0;
data->length = 0;
+ wiphy_lock(&rdev->wiphy);
switch (wdev->iftype) {
case NL80211_IFTYPE_ADHOC:
- return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
+ ret = cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
+ break;
case NL80211_IFTYPE_STATION:
- return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
+ ret = cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
+ break;
default:
- return -EOPNOTSUPP;
+ ret = -EOPNOTSUPP;
+ break;
}
+ wiphy_unlock(&rdev->wiphy);
+
+ return ret;
}
static int cfg80211_wext_siwpmksa(struct net_device *dev,
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
struct cfg80211_pmksa cfg_pmksa;
struct iw_pmksa *pmksa = (struct iw_pmksa *)extra;
+ int ret;
memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa));
cfg_pmksa.bssid = pmksa->bssid.sa_data;
cfg_pmksa.pmkid = pmksa->pmkid;
+ wiphy_lock(&rdev->wiphy);
switch (pmksa->cmd) {
case IW_PMKSA_ADD:
- if (!rdev->ops->set_pmksa)
- return -EOPNOTSUPP;
-
- return rdev_set_pmksa(rdev, dev, &cfg_pmksa);
+ if (!rdev->ops->set_pmksa) {
+ ret = -EOPNOTSUPP;
+ break;
+ }
+ ret = rdev_set_pmksa(rdev, dev, &cfg_pmksa);
+ break;
case IW_PMKSA_REMOVE:
- if (!rdev->ops->del_pmksa)
- return -EOPNOTSUPP;
-
- return rdev_del_pmksa(rdev, dev, &cfg_pmksa);
+ if (!rdev->ops->del_pmksa) {
+ ret = -EOPNOTSUPP;
+ break;
+ }
+ ret = rdev_del_pmksa(rdev, dev, &cfg_pmksa);
+ break;
case IW_PMKSA_FLUSH:
- if (!rdev->ops->flush_pmksa)
- return -EOPNOTSUPP;
-
- return rdev_flush_pmksa(rdev, dev);
+ if (!rdev->ops->flush_pmksa) {
+ ret = -EOPNOTSUPP;
+ break;
+ }
+ ret = rdev_flush_pmksa(rdev, dev);
+ break;
default:
- return -EOPNOTSUPP;
+ ret = -EOPNOTSUPP;
+ break;
}
+ wiphy_unlock(&rdev->wiphy);
+
+ return ret;
}
#define DEFINE_WEXT_COMPAT_STUB(func, type) \