From: Andrei Otcheretianski Date: Thu, 26 Mar 2020 13:09:34 +0000 (+0200) Subject: mac80211: Don't destroy auth data in case of anti-clogging X-Git-Tag: v5.8-rc1~165^2~102^2~19 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=a4055e74a2ff;p=linux-block.git mac80211: Don't destroy auth data in case of anti-clogging SAE AP may reject authentication with WLAN_STATUS_ANTI_CLOG_REQUIRED. As the user space will immediately continue the authentication flow, there is no need to destroy the authentication data in this case. This saves unneeded station removal and releasing the channel. Signed-off-by: Andrei Otcheretianski Signed-off-by: Luca Coelho Link: https://lore.kernel.org/r/iwlwifi.20200326150855.7483996157a8.I8040a842874aaf6d209df3fc8a2acb97a0bf508b@changeid Signed-off-by: Johannes Berg --- diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index b77787995723..56d61bc9954d 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2948,10 +2948,15 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata, } if (status_code != WLAN_STATUS_SUCCESS) { + cfg80211_rx_mlme_mgmt(sdata->dev, (u8 *)mgmt, len); + + if (auth_alg == WLAN_AUTH_SAE && + status_code == WLAN_STATUS_ANTI_CLOG_REQUIRED) + return; + sdata_info(sdata, "%pM denied authentication (status %d)\n", mgmt->sa, status_code); ieee80211_destroy_auth_data(sdata, false); - cfg80211_rx_mlme_mgmt(sdata->dev, (u8 *)mgmt, len); event.u.mlme.status = MLME_DENIED; event.u.mlme.reason = status_code; drv_event_callback(sdata->local, sdata, &event);