diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 5b4e49861d6e..70e988961808 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -2323,12 +2323,13 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag const u8 *ssid_ie; if (!wdev->current_bss) break; + rcu_read_lock(); ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub, WLAN_EID_SSID); - if (!ssid_ie) - break; - if (nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2)) - goto nla_put_failure_locked; + if (ssid_ie && + nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2)) + goto nla_put_failure_rcu_locked; + rcu_read_unlock(); break; } default: @@ -2339,6 +2340,8 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flag return genlmsg_end(msg, hdr); + nla_put_failure_rcu_locked: + rcu_read_unlock(); nla_put_failure_locked: wdev_unlock(wdev); nla_put_failure: