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path: root/net/wireless/nl80211.c
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Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c398
1 files changed, 97 insertions, 301 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index f4298104a2f4..71a0a6e34bdb 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1544,7 +1544,7 @@ nl80211_parse_connkeys(struct cfg80211_registered_device *rdev,
static int nl80211_key_allowed(struct wireless_dev *wdev)
{
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
switch (wdev->iftype) {
case NL80211_IFTYPE_AP:
@@ -3423,13 +3423,8 @@ static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
int link_id = nl80211_link_id_or_invalid(info->attrs);
struct net_device *netdev = info->user_ptr[1];
- int ret;
-
- wdev_lock(netdev->ieee80211_ptr);
- ret = __nl80211_set_channel(rdev, netdev, info, link_id);
- wdev_unlock(netdev->ieee80211_ptr);
- return ret;
+ return __nl80211_set_channel(rdev, netdev, info, link_id);
}
static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
@@ -3536,7 +3531,6 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
txq_params.link_id =
nl80211_link_id_or_invalid(info->attrs);
- wdev_lock(netdev->ieee80211_ptr);
if (txq_params.link_id >= 0 &&
!(netdev->ieee80211_ptr->valid_links &
BIT(txq_params.link_id)))
@@ -3547,7 +3541,6 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
else
result = rdev_set_txq_params(rdev, netdev,
&txq_params);
- wdev_unlock(netdev->ieee80211_ptr);
if (result)
goto out;
}
@@ -3557,12 +3550,10 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
int link_id = nl80211_link_id_or_invalid(info->attrs);
if (wdev) {
- wdev_lock(wdev);
result = __nl80211_set_channel(
rdev,
nl80211_can_set_dev_channel(wdev) ? netdev : NULL,
info, link_id);
- wdev_unlock(wdev);
} else {
result = __nl80211_set_channel(rdev, netdev, info, link_id);
}
@@ -3870,33 +3861,31 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
goto nla_put_failure;
}
- wdev_lock(wdev);
switch (wdev->iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
if (wdev->u.ap.ssid_len &&
nla_put(msg, NL80211_ATTR_SSID, wdev->u.ap.ssid_len,
wdev->u.ap.ssid))
- goto nla_put_failure_locked;
+ goto nla_put_failure;
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
if (wdev->u.client.ssid_len &&
nla_put(msg, NL80211_ATTR_SSID, wdev->u.client.ssid_len,
wdev->u.client.ssid))
- goto nla_put_failure_locked;
+ goto nla_put_failure;
break;
case NL80211_IFTYPE_ADHOC:
if (wdev->u.ibss.ssid_len &&
nla_put(msg, NL80211_ATTR_SSID, wdev->u.ibss.ssid_len,
wdev->u.ibss.ssid))
- goto nla_put_failure_locked;
+ goto nla_put_failure;
break;
default:
/* nothing */
break;
}
- wdev_unlock(wdev);
if (rdev->ops->get_txq_stats) {
struct cfg80211_txq_stats txqstats = {};
@@ -3943,8 +3932,6 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag
genlmsg_end(msg, hdr);
return 0;
- nla_put_failure_locked:
- wdev_unlock(wdev);
nla_put_failure:
genlmsg_cancel(msg, hdr);
return -EMSGSIZE;
@@ -4191,7 +4178,6 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
if (netif_running(dev))
return -EBUSY;
- wdev_lock(wdev);
BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
IEEE80211_MAX_MESH_ID_LEN);
wdev->u.mesh.id_up_len =
@@ -4199,7 +4185,6 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
memcpy(wdev->u.mesh.id,
nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
wdev->u.mesh.id_up_len);
- wdev_unlock(wdev);
}
if (info->attrs[NL80211_ATTR_4ADDR]) {
@@ -4300,7 +4285,6 @@ static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
case NL80211_IFTYPE_MESH_POINT:
if (!info->attrs[NL80211_ATTR_MESH_ID])
break;
- wdev_lock(wdev);
BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN !=
IEEE80211_MAX_MESH_ID_LEN);
wdev->u.mesh.id_up_len =
@@ -4308,7 +4292,6 @@ static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
memcpy(wdev->u.mesh.id,
nla_data(info->attrs[NL80211_ATTR_MESH_ID]),
wdev->u.mesh.id_up_len);
- wdev_unlock(wdev);
break;
case NL80211_IFTYPE_NAN:
case NL80211_IFTYPE_P2P_DEVICE:
@@ -4599,79 +4582,67 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
!(key.p.mode == NL80211_KEY_SET_TX))
return -EINVAL;
- wdev_lock(wdev);
-
if (key.def) {
- if (!rdev->ops->set_default_key) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->set_default_key)
+ return -EOPNOTSUPP;
err = nl80211_key_allowed(wdev);
if (err)
- goto out;
+ return err;
err = nl80211_validate_key_link_id(info, wdev, link_id, false);
if (err)
- goto out;
+ return err;
err = rdev_set_default_key(rdev, dev, link_id, key.idx,
key.def_uni, key.def_multi);
if (err)
- goto out;
+ return err;
#ifdef CONFIG_CFG80211_WEXT
wdev->wext.default_key = key.idx;
#endif
+ return 0;
} else if (key.defmgmt) {
- if (key.def_uni || !key.def_multi) {
- err = -EINVAL;
- goto out;
- }
+ if (key.def_uni || !key.def_multi)
+ return -EINVAL;
- if (!rdev->ops->set_default_mgmt_key) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->set_default_mgmt_key)
+ return -EOPNOTSUPP;
err = nl80211_key_allowed(wdev);
if (err)
- goto out;
+ return err;
err = nl80211_validate_key_link_id(info, wdev, link_id, false);
if (err)
- goto out;
+ return err;
err = rdev_set_default_mgmt_key(rdev, dev, link_id, key.idx);
if (err)
- goto out;
+ return err;
#ifdef CONFIG_CFG80211_WEXT
wdev->wext.default_mgmt_key = key.idx;
#endif
+ return 0;
} else if (key.defbeacon) {
- if (key.def_uni || !key.def_multi) {
- err = -EINVAL;
- goto out;
- }
+ if (key.def_uni || !key.def_multi)
+ return -EINVAL;
- if (!rdev->ops->set_default_beacon_key) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->set_default_beacon_key)
+ return -EOPNOTSUPP;
err = nl80211_key_allowed(wdev);
if (err)
- goto out;
+ return err;
err = nl80211_validate_key_link_id(info, wdev, link_id, false);
if (err)
- goto out;
+ return err;
- err = rdev_set_default_beacon_key(rdev, dev, link_id, key.idx);
- if (err)
- goto out;
+ return rdev_set_default_beacon_key(rdev, dev, link_id, key.idx);
} else if (key.p.mode == NL80211_KEY_SET_TX &&
wiphy_ext_feature_isset(&rdev->wiphy,
NL80211_EXT_FEATURE_EXT_KEY_ID)) {
@@ -4680,25 +4651,19 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_MAC])
mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
- if (!mac_addr || key.idx < 0 || key.idx > 1) {
- err = -EINVAL;
- goto out;
- }
+ if (!mac_addr || key.idx < 0 || key.idx > 1)
+ return -EINVAL;
err = nl80211_validate_key_link_id(info, wdev, link_id, true);
if (err)
- goto out;
+ return err;
- err = rdev_add_key(rdev, dev, link_id, key.idx,
- NL80211_KEYTYPE_PAIRWISE,
- mac_addr, &key.p);
- } else {
- err = -EINVAL;
+ return rdev_add_key(rdev, dev, link_id, key.idx,
+ NL80211_KEYTYPE_PAIRWISE,
+ mac_addr, &key.p);
}
- out:
- wdev_unlock(wdev);
- return err;
+ return -EINVAL;
}
static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
@@ -4751,7 +4716,6 @@ static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
}
- wdev_lock(wdev);
err = nl80211_key_allowed(wdev);
if (err)
GENL_SET_ERR_MSG(info, "key not allowed");
@@ -4767,7 +4731,6 @@ static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
if (err)
GENL_SET_ERR_MSG(info, "key addition failed");
}
- wdev_unlock(wdev);
return err;
}
@@ -4808,7 +4771,6 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
if (!rdev->ops->del_key)
return -EOPNOTSUPP;
- wdev_lock(wdev);
err = nl80211_key_allowed(wdev);
if (key.type == NL80211_KEYTYPE_GROUP && mac_addr &&
@@ -4832,7 +4794,6 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
wdev->wext.default_mgmt_key = -1;
}
#endif
- wdev_unlock(wdev);
return err;
}
@@ -6072,20 +6033,18 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
goto out;
}
- wdev_lock(wdev);
-
if (info->attrs[NL80211_ATTR_TX_RATES]) {
err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
NL80211_ATTR_TX_RATES,
&params->beacon_rate,
dev, false, link_id);
if (err)
- goto out_unlock;
+ goto out;
err = validate_beacon_tx_rate(rdev, params->chandef.chan->band,
&params->beacon_rate);
if (err)
- goto out_unlock;
+ goto out;
}
if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
@@ -6098,19 +6057,19 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
if (!(rdev->wiphy.features &
NL80211_FEATURE_STATIC_SMPS)) {
err = -EINVAL;
- goto out_unlock;
+ goto out;
}
break;
case NL80211_SMPS_DYNAMIC:
if (!(rdev->wiphy.features &
NL80211_FEATURE_DYNAMIC_SMPS)) {
err = -EINVAL;
- goto out_unlock;
+ goto out;
}
break;
default:
err = -EINVAL;
- goto out_unlock;
+ goto out;
}
} else {
params->smps_mode = NL80211_SMPS_OFF;
@@ -6119,7 +6078,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
params->pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
if (params->pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
err = -EOPNOTSUPP;
- goto out_unlock;
+ goto out;
}
if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
@@ -6127,7 +6086,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
if (IS_ERR(params->acl)) {
err = PTR_ERR(params->acl);
params->acl = NULL;
- goto out_unlock;
+ goto out;
}
}
@@ -6139,7 +6098,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
info->attrs[NL80211_ATTR_HE_OBSS_PD],
&params->he_obss_pd);
if (err)
- goto out_unlock;
+ goto out;
}
if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
@@ -6147,7 +6106,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
info->attrs[NL80211_ATTR_FILS_DISCOVERY],
params);
if (err)
- goto out_unlock;
+ goto out;
}
if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
@@ -6155,7 +6114,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
params);
if (err)
- goto out_unlock;
+ goto out;
}
if (info->attrs[NL80211_ATTR_MBSSID_CONFIG]) {
@@ -6166,17 +6125,17 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
params->beacon.mbssid_ies->cnt :
0);
if (err)
- goto out_unlock;
+ goto out;
}
if (!params->mbssid_config.ema && params->beacon.rnr_ies) {
err = -EINVAL;
- goto out_unlock;
+ goto out;
}
err = nl80211_calculate_ap_params(params);
if (err)
- goto out_unlock;
+ goto out;
if (info->attrs[NL80211_ATTR_AP_SETTINGS_FLAGS])
params->flags = nla_get_u32(
@@ -6188,7 +6147,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
info->attrs[NL80211_ATTR_SOCKET_OWNER] &&
wdev->conn_owner_nlportid != info->snd_portid) {
err = -EINVAL;
- goto out_unlock;
+ goto out;
}
/* FIXME: validate MLO/link-id against driver capabilities */
@@ -6206,8 +6165,6 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
nl80211_send_ap_started(wdev, link_id);
}
-out_unlock:
- wdev_unlock(wdev);
out:
kfree(params->acl);
kfree(params->beacon.mbssid_ies);
@@ -6244,9 +6201,7 @@ static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info)
if (err)
goto out;
- wdev_lock(wdev);
err = rdev_change_beacon(rdev, dev, &params);
- wdev_unlock(wdev);
out:
kfree(params.mbssid_ies);
@@ -7305,9 +7260,7 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
}
/* driver will call cfg80211_check_station_change() */
- wdev_lock(dev->ieee80211_ptr);
err = rdev_change_station(rdev, dev, mac_addr, &params);
- wdev_unlock(dev->ieee80211_ptr);
out_put_vlan:
dev_put(params.vlan);
@@ -7575,7 +7528,6 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
/* be aware of params.vlan when changing code here */
- wdev_lock(dev->ieee80211_ptr);
if (wdev->valid_links) {
if (params.link_sta_params.link_id < 0) {
err = -EINVAL;
@@ -7593,7 +7545,6 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
}
err = rdev_add_station(rdev, dev, mac_addr, &params);
out:
- wdev_unlock(dev->ieee80211_ptr);
dev_put(params.vlan);
return err;
}
@@ -7603,7 +7554,6 @@ static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct station_del_parameters params;
- int ret;
memset(&params, 0, sizeof(params));
@@ -7651,11 +7601,7 @@ static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID;
}
- wdev_lock(dev->ieee80211_ptr);
- ret = rdev_del_station(rdev, dev, &params);
- wdev_unlock(dev->ieee80211_ptr);
-
- return ret;
+ return rdev_del_station(rdev, dev, &params);
}
static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq,
@@ -7974,9 +7920,7 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
- struct wireless_dev *wdev = dev->ieee80211_ptr;
struct bss_parameters params;
- int err;
memset(&params, 0, sizeof(params));
params.link_id = nl80211_link_id_or_invalid(info->attrs);
@@ -8039,11 +7983,7 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
return -EOPNOTSUPP;
- wdev_lock(wdev);
- err = rdev_change_bss(rdev, dev, &params);
- wdev_unlock(wdev);
-
- return err;
+ return rdev_change_bss(rdev, dev, &params);
}
static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info)
@@ -8114,13 +8054,11 @@ static int nl80211_get_mesh_config(struct sk_buff *skb,
if (!rdev->ops->get_mesh_config)
return -EOPNOTSUPP;
- wdev_lock(wdev);
/* If not connected, get default parameters */
if (!wdev->u.mesh.id_len)
memcpy(&cur_params, &default_mesh_config, sizeof(cur_params));
else
err = rdev_get_mesh_config(rdev, dev, &cur_params);
- wdev_unlock(wdev);
if (err)
return err;
@@ -8496,15 +8434,12 @@ static int nl80211_update_mesh_config(struct sk_buff *skb,
if (err)
return err;
- wdev_lock(wdev);
if (!wdev->u.mesh.id_len)
err = -ENOLINK;
if (!err)
err = rdev_update_mesh_config(rdev, dev, mask, &cfg);
- wdev_unlock(wdev);
-
return err;
}
@@ -8995,7 +8930,7 @@ static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev,
unsigned int link_id;
bool all_ok = true;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
if (!cfg80211_beaconing_iface_active(wdev))
return true;
@@ -9245,7 +9180,6 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
request->n_channels = i;
- wdev_lock(wdev);
for (i = 0; i < request->n_channels; i++) {
struct ieee80211_channel *chan = request->channels[i];
@@ -9254,12 +9188,10 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
continue;
if (!cfg80211_wdev_on_sub_chan(wdev, chan, true)) {
- wdev_unlock(wdev);
err = -EBUSY;
goto out_free;
}
}
- wdev_unlock(wdev);
i = 0;
if (n_ssids) {
@@ -10265,9 +10197,7 @@ skip_beacons:
goto free;
}
- wdev_lock(wdev);
err = rdev_channel_switch(rdev, dev, &params);
- wdev_unlock(wdev);
free:
kfree(params.beacon_after.mbssid_ies);
@@ -10290,7 +10220,7 @@ static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb,
void *hdr;
struct nlattr *bss;
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags,
NL80211_CMD_NEW_SCAN_RESULTS);
@@ -10439,7 +10369,6 @@ static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
/* nl80211_prepare_wdev_dump acquired it in the successful case */
__acquire(&rdev->wiphy.mtx);
- wdev_lock(wdev);
spin_lock_bh(&rdev->bss_lock);
/*
@@ -10465,7 +10394,6 @@ static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb)
}
spin_unlock_bh(&rdev->bss_lock);
- wdev_unlock(wdev);
cb->args[2] = idx;
wiphy_unlock(&rdev->wiphy);
@@ -10588,9 +10516,7 @@ static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb)
}
while (1) {
- wdev_lock(wdev);
res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey);
- wdev_unlock(wdev);
if (res == -ENOENT)
break;
if (res)
@@ -10763,9 +10689,7 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
if (!req.bss)
return -ENOENT;
- wdev_lock(dev->ieee80211_ptr);
err = cfg80211_mlme_auth(rdev, dev, &req);
- wdev_unlock(dev->ieee80211_ptr);
cfg80211_put_bss(&rdev->wiphy, req.bss);
@@ -11180,8 +11104,6 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
err = nl80211_crypto_settings(rdev, info, &req.crypto, 1);
if (!err) {
- wdev_lock(dev->ieee80211_ptr);
-
err = cfg80211_mlme_assoc(rdev, dev, &req);
if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) {
@@ -11190,8 +11112,6 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
memcpy(dev->ieee80211_ptr->disconnect_bssid,
ap_addr, ETH_ALEN);
}
-
- wdev_unlock(dev->ieee80211_ptr);
}
free:
@@ -11208,7 +11128,7 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
const u8 *ie = NULL, *bssid;
- int ie_len = 0, err;
+ int ie_len = 0;
u16 reason_code;
bool local_state_change;
@@ -11244,11 +11164,8 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
- wdev_lock(dev->ieee80211_ptr);
- err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
- local_state_change);
- wdev_unlock(dev->ieee80211_ptr);
- return err;
+ return cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code,
+ local_state_change);
}
static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
@@ -11256,7 +11173,7 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
const u8 *ie = NULL, *bssid;
- int ie_len = 0, err;
+ int ie_len = 0;
u16 reason_code;
bool local_state_change;
@@ -11292,11 +11209,8 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE];
- wdev_lock(dev->ieee80211_ptr);
- err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
- local_state_change);
- wdev_unlock(dev->ieee80211_ptr);
- return err;
+ return cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code,
+ local_state_change);
}
static bool
@@ -11474,13 +11388,11 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
ibss.userspace_handles_dfs =
nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]);
- wdev_lock(dev->ieee80211_ptr);
err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
if (err)
kfree_sensitive(connkeys);
else if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
- wdev_unlock(dev->ieee80211_ptr);
return err;
}
@@ -12013,8 +11925,6 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
if (nla_get_flag(info->attrs[NL80211_ATTR_MLO_SUPPORT]))
connect.flags |= CONNECT_REQ_MLO_SUPPORT;
- wdev_lock(dev->ieee80211_ptr);
-
err = cfg80211_connect(rdev, dev, &connect, connkeys,
connect.prev_bssid);
if (err)
@@ -12029,8 +11939,6 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid);
}
- wdev_unlock(dev->ieee80211_ptr);
-
return err;
}
@@ -12044,7 +11952,6 @@ static int nl80211_update_connect_params(struct sk_buff *skb,
bool fils_sk_offload;
u32 auth_type;
u32 changed = 0;
- int ret;
if (!rdev->ops->update_connect_params)
return -EOPNOTSUPP;
@@ -12105,14 +12012,10 @@ static int nl80211_update_connect_params(struct sk_buff *skb,
changed |= UPDATE_AUTH_TYPE;
}
- wdev_lock(dev->ieee80211_ptr);
if (!wdev->connected)
- ret = -ENOLINK;
- else
- ret = rdev_update_connect_params(rdev, dev, &connect, changed);
- wdev_unlock(dev->ieee80211_ptr);
+ return -ENOLINK;
- return ret;
+ return rdev_update_connect_params(rdev, dev, &connect, changed);
}
static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
@@ -12120,7 +12023,6 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
u16 reason;
- int ret;
if (dev->ieee80211_ptr->conn_owner_nlportid &&
dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid)
@@ -12138,10 +12040,7 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT)
return -EOPNOTSUPP;
- wdev_lock(dev->ieee80211_ptr);
- ret = cfg80211_disconnect(rdev, dev, reason, true);
- wdev_unlock(dev->ieee80211_ptr);
- return ret;
+ return cfg80211_disconnect(rdev, dev, reason, true);
}
static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
@@ -12352,7 +12251,6 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
if (err)
return err;
- wdev_lock(wdev);
if (!cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
const struct cfg80211_chan_def *oper_chandef, *compat_chandef;
@@ -12361,7 +12259,6 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
if (WARN_ON(!oper_chandef)) {
/* cannot happen since we must beacon to get here */
WARN_ON(1);
- wdev_unlock(wdev);
return -EBUSY;
}
@@ -12369,12 +12266,9 @@ static int nl80211_remain_on_channel(struct sk_buff *skb,
compat_chandef = cfg80211_chandef_compatible(&chandef,
oper_chandef);
- if (compat_chandef != &chandef) {
- wdev_unlock(wdev);
+ if (compat_chandef != &chandef)
return -EBUSY;
- }
}
- wdev_unlock(wdev);
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
@@ -12433,23 +12327,18 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb,
unsigned int link_id = nl80211_link_id(info->attrs);
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
- struct wireless_dev *wdev = dev->ieee80211_ptr;
int err;
if (!rdev->ops->set_bitrate_mask)
return -EOPNOTSUPP;
- wdev_lock(wdev);
err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
NL80211_ATTR_TX_RATES, &mask,
dev, true, link_id);
if (err)
- goto out;
+ return err;
- err = rdev_set_bitrate_mask(rdev, dev, link_id, NULL, &mask);
-out:
- wdev_unlock(wdev);
- return err;
+ return rdev_set_bitrate_mask(rdev, dev, link_id, NULL, &mask);
}
static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info)
@@ -12578,12 +12467,9 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
if (!chandef.chan && params.offchan)
return -EINVAL;
- wdev_lock(wdev);
if (params.offchan &&
- !cfg80211_off_channel_oper_allowed(wdev, chandef.chan)) {
- wdev_unlock(wdev);
+ !cfg80211_off_channel_oper_allowed(wdev, chandef.chan))
return -EBUSY;
- }
params.link_id = nl80211_link_id_or_invalid(info->attrs);
/*
@@ -12592,11 +12478,8 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info)
* to the driver.
*/
if (params.link_id >= 0 &&
- !(wdev->valid_links & BIT(params.link_id))) {
- wdev_unlock(wdev);
+ !(wdev->valid_links & BIT(params.link_id)))
return -EINVAL;
- }
- wdev_unlock(wdev);
params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]);
params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]);
@@ -12866,8 +12749,8 @@ static int nl80211_set_cqm_rssi(struct genl_info *info,
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
- int i, err;
s32 prev = S32_MIN;
+ int i;
/* Check all values negative and sorted */
for (i = 0; i < n_thresholds; i++) {
@@ -12881,9 +12764,7 @@ static int nl80211_set_cqm_rssi(struct genl_info *info,
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
return -EOPNOTSUPP;
- wdev_lock(wdev);
cfg80211_cqm_config_free(wdev);
- wdev_unlock(wdev);
if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) {
if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */
@@ -12900,17 +12781,14 @@ static int nl80211_set_cqm_rssi(struct genl_info *info,
if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */
n_thresholds = 0;
- wdev_lock(wdev);
if (n_thresholds) {
struct cfg80211_cqm_config *cqm_config;
cqm_config = kzalloc(struct_size(cqm_config, rssi_thresholds,
n_thresholds),
GFP_KERNEL);
- if (!cqm_config) {
- err = -ENOMEM;
- goto unlock;
- }
+ if (!cqm_config)
+ return -ENOMEM;
cqm_config->rssi_hyst = hysteresis;
cqm_config->n_rssi_thresholds = n_thresholds;
@@ -12921,12 +12799,7 @@ static int nl80211_set_cqm_rssi(struct genl_info *info,
wdev->cqm_config = cqm_config;
}
- err = cfg80211_cqm_rssi_update(rdev, dev);
-
-unlock:
- wdev_unlock(wdev);
-
- return err;
+ return cfg80211_cqm_rssi_update(rdev, dev);
}
static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info)
@@ -13108,11 +12981,9 @@ static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info)
setup.control_port_over_nl80211 = true;
}
- wdev_lock(dev->ieee80211_ptr);
err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg);
if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER])
dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid;
- wdev_unlock(dev->ieee80211_ptr);
return err;
}
@@ -14056,21 +13927,13 @@ static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info)
if (tb[NL80211_REKEY_DATA_AKM])
rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]);
- wdev_lock(wdev);
- if (!wdev->connected) {
- err = -ENOTCONN;
- goto out;
- }
+ if (!wdev->connected)
+ return -ENOTCONN;
- if (!rdev->ops->set_rekey_data) {
- err = -EOPNOTSUPP;
- goto out;
- }
+ if (!rdev->ops->set_rekey_data)
+ return -EOPNOTSUPP;
- err = rdev_set_rekey_data(rdev, dev, &rekey_data);
- out:
- wdev_unlock(wdev);
- return err;
+ return rdev_set_rekey_data(rdev, dev, &rekey_data);
}
static int nl80211_register_unexpected_frame(struct sk_buff *skb,
@@ -15274,11 +15137,9 @@ static int nl80211_set_qos_map(struct sk_buff *skb,
memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN);
}
- wdev_lock(dev->ieee80211_ptr);
ret = nl80211_key_allowed(dev->ieee80211_ptr);
if (!ret)
ret = rdev_set_qos_map(rdev, dev, qos_map);
- wdev_unlock(dev->ieee80211_ptr);
kfree(qos_map);
return ret;
@@ -15292,7 +15153,6 @@ static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
const u8 *peer;
u8 tsid, up;
u16 admitted_time = 0;
- int err;
if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION))
return -EOPNOTSUPP;
@@ -15322,34 +15182,25 @@ static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
}
- wdev_lock(wdev);
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
if (wdev->connected)
break;
- err = -ENOTCONN;
- goto out;
+ return -ENOTCONN;
default:
- err = -EOPNOTSUPP;
- goto out;
+ return -EOPNOTSUPP;
}
- err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
-
- out:
- wdev_unlock(wdev);
- return err;
+ return rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time);
}
static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
- struct wireless_dev *wdev = dev->ieee80211_ptr;
const u8 *peer;
u8 tsid;
- int err;
if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC])
return -EINVAL;
@@ -15357,11 +15208,7 @@ static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info)
tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]);
peer = nla_data(info->attrs[NL80211_ATTR_MAC]);
- wdev_lock(wdev);
- err = rdev_del_tx_ts(rdev, dev, tsid, peer);
- wdev_unlock(wdev);
-
- return err;
+ return rdev_del_tx_ts(rdev, dev, tsid, peer);
}
static int nl80211_tdls_channel_switch(struct sk_buff *skb,
@@ -15417,11 +15264,7 @@ static int nl80211_tdls_channel_switch(struct sk_buff *skb,
addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]);
- wdev_lock(wdev);
- err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
- wdev_unlock(wdev);
-
- return err;
+ return rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef);
}
static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
@@ -15429,7 +15272,6 @@ static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
struct net_device *dev = info->user_ptr[1];
- struct wireless_dev *wdev = dev->ieee80211_ptr;
const u8 *addr;
if (!rdev->ops->tdls_channel_switch ||
@@ -15450,9 +15292,7 @@ static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb,
addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
- wdev_lock(wdev);
rdev_tdls_cancel_channel_switch(rdev, dev, addr);
- wdev_unlock(wdev);
return 0;
}
@@ -15485,7 +15325,6 @@ static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_pmk_conf pmk_conf = {};
- int ret;
if (wdev->iftype != NL80211_IFTYPE_STATION &&
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
@@ -15498,34 +15337,24 @@ static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info)
if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK])
return -EINVAL;
- wdev_lock(wdev);
- if (!wdev->connected) {
- ret = -ENOTCONN;
- goto out;
- }
+ if (!wdev->connected)
+ return -ENOTCONN;
pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
- if (memcmp(pmk_conf.aa, wdev->u.client.connected_addr, ETH_ALEN)) {
- ret = -EINVAL;
- goto out;
- }
+ if (memcmp(pmk_conf.aa, wdev->u.client.connected_addr, ETH_ALEN))
+ return -EINVAL;
pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]);
pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]);
if (pmk_conf.pmk_len != WLAN_PMK_LEN &&
- pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) {
- ret = -EINVAL;
- goto out;
- }
+ pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192)
+ return -EINVAL;
if (info->attrs[NL80211_ATTR_PMKR0_NAME])
pmk_conf.pmk_r0_name =
nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]);
- ret = rdev_set_pmk(rdev, dev, &pmk_conf);
-out:
- wdev_unlock(wdev);
- return ret;
+ return rdev_set_pmk(rdev, dev, &pmk_conf);
}
static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
@@ -15534,7 +15363,6 @@ static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
struct net_device *dev = info->user_ptr[1];
struct wireless_dev *wdev = dev->ieee80211_ptr;
const u8 *aa;
- int ret;
if (wdev->iftype != NL80211_IFTYPE_STATION &&
wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)
@@ -15547,12 +15375,8 @@ static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info)
if (!info->attrs[NL80211_ATTR_MAC])
return -EINVAL;
- wdev_lock(wdev);
aa = nla_data(info->attrs[NL80211_ATTR_MAC]);
- ret = rdev_del_pmk(rdev, dev, aa);
- wdev_unlock(wdev);
-
- return ret;
+ return rdev_del_pmk(rdev, dev, aa);
}
static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info)
@@ -15