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path: root/drivers/net/wireless/libertas/cfg.c
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Diffstat (limited to 'drivers/net/wireless/libertas/cfg.c')
-rw-r--r--drivers/net/wireless/libertas/cfg.c33
1 files changed, 20 insertions, 13 deletions
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c
index 1c10b542ab23..ec6d5d6b452e 100644
--- a/drivers/net/wireless/libertas/cfg.c
+++ b/drivers/net/wireless/libertas/cfg.c
@@ -298,6 +298,7 @@ static int lbs_add_common_rates_tlv(u8 *tlv, struct cfg80211_bss *bss)
const u8 *rates_eid, *ext_rates_eid;
int n = 0;
+ rcu_read_lock();
rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES);
ext_rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_EXT_SUPP_RATES);
@@ -325,6 +326,7 @@ static int lbs_add_common_rates_tlv(u8 *tlv, struct cfg80211_bss *bss)
*tlv++ = 0x96;
n = 4;
}
+ rcu_read_unlock();
rate_tlv->header.len = cpu_to_le16(n);
return sizeof(rate_tlv->header) + n;
@@ -436,19 +438,19 @@ static int lbs_add_wpa_tlv(u8 *tlv, const u8 *ie, u8 ie_len)
*/
static int lbs_cfg_set_monitor_channel(struct wiphy *wiphy,
- struct ieee80211_channel *channel,
- enum nl80211_channel_type channel_type)
+ struct cfg80211_chan_def *chandef)
{
struct lbs_private *priv = wiphy_priv(wiphy);
int ret = -ENOTSUPP;
lbs_deb_enter_args(LBS_DEB_CFG80211, "freq %d, type %d",
- channel->center_freq, channel_type);
+ chandef->chan->center_freq,
+ cfg80211_get_chandef_type(chandef));
- if (channel_type != NL80211_CHAN_NO_HT)
+ if (cfg80211_get_chandef_type(chandef) != NL80211_CHAN_NO_HT)
goto out;
- ret = lbs_set_channel(priv, channel->hw_value);
+ ret = lbs_set_channel(priv, chandef->chan->hw_value);
out:
lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
@@ -1140,11 +1142,13 @@ static int lbs_associate(struct lbs_private *priv,
cmd->capability = cpu_to_le16(bss->capability);
/* add SSID TLV */
+ rcu_read_lock();
ssid_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SSID);
if (ssid_eid)
pos += lbs_add_ssid_tlv(pos, ssid_eid + 2, ssid_eid[1]);
else
lbs_deb_assoc("no SSID\n");
+ rcu_read_unlock();
/* add DS param TLV */
if (bss->channel)
@@ -1734,7 +1738,7 @@ static void lbs_join_post(struct lbs_private *priv,
/* Fake DS channel IE */
*fake++ = WLAN_EID_DS_PARAMS;
*fake++ = 1;
- *fake++ = params->channel->hw_value;
+ *fake++ = params->chandef.chan->hw_value;
/* Fake IBSS params IE */
*fake++ = WLAN_EID_IBSS_PARAMS;
*fake++ = 2;
@@ -1755,7 +1759,7 @@ static void lbs_join_post(struct lbs_private *priv,
lbs_deb_hex(LBS_DEB_CFG80211, "IE", fake_ie, fake - fake_ie);
bss = cfg80211_inform_bss(priv->wdev->wiphy,
- params->channel,
+ params->chandef.chan,
bssid,
0,
capability,
@@ -1782,7 +1786,7 @@ static int lbs_ibss_join_existing(struct lbs_private *priv,
struct cfg80211_ibss_params *params,
struct cfg80211_bss *bss)
{
- const u8 *rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES);
+ const u8 *rates_eid;
struct cmd_ds_802_11_ad_hoc_join cmd;
u8 preamble = RADIO_PREAMBLE_SHORT;
int ret = 0;
@@ -1833,7 +1837,7 @@ static int lbs_ibss_join_existing(struct lbs_private *priv,
cmd.bss.beaconperiod = cpu_to_le16(params->beacon_interval);
cmd.bss.ds.header.id = WLAN_EID_DS_PARAMS;
cmd.bss.ds.header.len = 1;
- cmd.bss.ds.channel = params->channel->hw_value;
+ cmd.bss.ds.channel = params->chandef.chan->hw_value;
cmd.bss.ibss.header.id = WLAN_EID_IBSS_PARAMS;
cmd.bss.ibss.header.len = 2;
cmd.bss.ibss.atimwindow = 0;
@@ -1841,6 +1845,8 @@ static int lbs_ibss_join_existing(struct lbs_private *priv,
/* set rates to the intersection of our rates and the rates in the
bss */
+ rcu_read_lock();
+ rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES);
if (!rates_eid) {
lbs_add_rates(cmd.bss.rates);
} else {
@@ -1860,6 +1866,7 @@ static int lbs_ibss_join_existing(struct lbs_private *priv,
}
}
}
+ rcu_read_unlock();
/* Only v8 and below support setting this */
if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8) {
@@ -1942,7 +1949,7 @@ static int lbs_ibss_start_new(struct lbs_private *priv,
cmd.ibss.atimwindow = 0;
cmd.ds.header.id = WLAN_EID_DS_PARAMS;
cmd.ds.header.len = 1;
- cmd.ds.channel = params->channel->hw_value;
+ cmd.ds.channel = params->chandef.chan->hw_value;
/* Only v8 and below support setting probe delay */
if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8)
cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
@@ -1987,18 +1994,18 @@ static int lbs_join_ibss(struct wiphy *wiphy, struct net_device *dev,
lbs_deb_enter(LBS_DEB_CFG80211);
- if (!params->channel) {
+ if (!params->chandef.chan) {
ret = -ENOTSUPP;
goto out;
}
- ret = lbs_set_channel(priv, params->channel->hw_value);
+ ret = lbs_set_channel(priv, params->chandef.chan->hw_value);
if (ret)
goto out;
/* Search if someone is beaconing. This assumes that the
* bss list is populated already */
- bss = cfg80211_get_bss(wiphy, params->channel, params->bssid,
+ bss = cfg80211_get_bss(wiphy, params->chandef.chan, params->bssid,
params->ssid, params->ssid_len,
WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS);