From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from m43-15.mailgun.net ([69.72.43.15]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1km7JJ-0007sd-DP for ath10k@lists.infradead.org; Mon, 07 Dec 2020 03:35:39 +0000 From: Wen Gong Subject: [PATCH 1/2] mac80211: save ssid info to ieee80211_bss_conf while assoc Date: Mon, 7 Dec 2020 11:36:34 +0800 Message-Id: <1607312195-3583-2-git-send-email-wgong@codeaurora.org> In-Reply-To: <1607312195-3583-1-git-send-email-wgong@codeaurora.org> References: <1607312195-3583-1-git-send-email-wgong@codeaurora.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: ath10k@lists.infradead.org, johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, wgong@codeaurora.org The ssid info of ieee80211_bss_conf is filled in ieee80211_start_ap() for AP mode. For STATION mode, it is empty, save the info from struct ieee80211_mgd_assoc_data, the struct ieee80211_mgd_assoc_data will be freed after assoc, so the ssid info of ieee80211_mgd_assoc_data can not access after assoc, save ssid info to ieee80211_bss_conf, then ssid info can be still access after assoc. Signed-off-by: Wen Gong --- net/mac80211/mlme.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index ac870309b911..f3b3cba02be2 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -5364,6 +5364,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, struct ieee80211_mgd_assoc_data *assoc_data; const struct cfg80211_bss_ies *beacon_ies; struct ieee80211_supported_band *sband; + struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; const u8 *ssidie, *ht_ie, *vht_ie; int i, err; bool override = false; @@ -5381,6 +5382,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, } memcpy(assoc_data->ssid, ssidie + 2, ssidie[1]); assoc_data->ssid_len = ssidie[1]; + memcpy(bss_conf->ssid, assoc_data->ssid, assoc_data->ssid_len); + bss_conf->ssid_len = assoc_data->ssid_len; rcu_read_unlock(); if (ifmgd->associated) { -- 2.23.0 _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k