diff options
Diffstat (limited to 'drivers/net/wireless/libertas')
| -rw-r--r-- | drivers/net/wireless/libertas/cfg.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c index ec36868f6fc..ec6d5d6b452 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; @@ -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) @@ -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; @@ -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) { |