From patchwork Thu Feb 23 10:09:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Greenman, Gregory" X-Patchwork-Id: 13150036 X-Patchwork-Delegate: johannes@sipsolutions.net Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5B462C64ED8 for ; Thu, 23 Feb 2023 10:12:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234136AbjBWKMc (ORCPT ); Thu, 23 Feb 2023 05:12:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46358 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233802AbjBWKMU (ORCPT ); Thu, 23 Feb 2023 05:12:20 -0500 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3CB93515FD for ; Thu, 23 Feb 2023 02:12:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1677147139; x=1708683139; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=epJhrOBGZ3lfV85SVlaSx1fwcvxg8D+ptEU8L9PMZ5I=; b=Pj22FPOrxRbC3lAR8wzs38ILGrVyBUvLTBxSv4DARSsFKIJ9Y3a3u33I CXyQTXcvq4ds4NzSMyYere6shzm31I6NvKeiznr73QVHWVJEA9wNp1lXg rwbiwQNP/Zt5Yfo1KJ2wtYFE2OxXaQ+TuL+yftcEA6C3OokSZ6slsEW1A k3ucuwK5aUrrfxrxksrBIDwxmYDCl6GYhFvID9jDFanE6nwS19hJckv+N xg4Xc/PoH0ZPECcz884II1CBxBPqqgZ1nIkawzjvJ+yVY+JwU4gRvJxh2 EcV3JWEleHFnx2nKO0BKoZibAdw6DL5sFkMVwAjwgQXn9RPkE4Y4b3uss A==; X-IronPort-AV: E=McAfee;i="6500,9779,10629"; a="419396504" X-IronPort-AV: E=Sophos;i="5.97,320,1669104000"; d="scan'208";a="419396504" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Feb 2023 02:11:17 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10629"; a="796245759" X-IronPort-AV: E=Sophos;i="5.97,320,1669104000"; d="scan'208";a="796245759" Received: from bkalend-mobl1.ger.corp.intel.com (HELO ggreenma-mobl2.intel.com) ([10.214.227.25]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Feb 2023 02:11:15 -0800 From: gregory.greenman@intel.com To: johannes@sipsolutions.net Cc: linux-wireless@vger.kernel.org, Johannes Berg , Gregory Greenman Subject: [PATCH 21/21] wifi: cfg80211: fix MLO connection ownership Date: Thu, 23 Feb 2023 12:09:42 +0200 Message-Id: <20230223114629.034c8d8f7578.I008f070c7f3b8e8bde9278101ef9e40706a82902@changeid> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230223100942.767589-1-gregory.greenman@intel.com> References: <20230223100942.767589-1-gregory.greenman@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Johannes Berg When disconnecting from an MLO connection we need the AP MLD address, not an arbitrary BSSID. Fix the code to do that. Fixes: 9ecff10e82a5 ("wifi: nl80211: refactor BSS lookup in nl80211_associate()") Signed-off-by: Johannes Berg Signed-off-by: Gregory Greenman --- net/wireless/nl80211.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index a42b37de68b0..3742296dca8d 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -10801,8 +10801,7 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, static struct cfg80211_bss *nl80211_assoc_bss(struct cfg80211_registered_device *rdev, const u8 *ssid, int ssid_len, - struct nlattr **attrs, - const u8 **bssid_out) + struct nlattr **attrs) { struct ieee80211_channel *chan; struct cfg80211_bss *bss; @@ -10829,7 +10828,6 @@ static struct cfg80211_bss *nl80211_assoc_bss(struct cfg80211_registered_device if (!bss) return ERR_PTR(-ENOENT); - *bssid_out = bssid; return bss; } @@ -10839,7 +10837,7 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) struct net_device *dev = info->user_ptr[1]; struct cfg80211_assoc_request req = {}; struct nlattr **attrs = NULL; - const u8 *bssid, *ssid; + const u8 *ap_addr, *ssid; unsigned int link_id; int err, ssid_len; @@ -10976,6 +10974,7 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) return -EINVAL; req.ap_mld_addr = nla_data(info->attrs[NL80211_ATTR_MLD_ADDR]); + ap_addr = req.ap_mld_addr; attrs = kzalloc(attrsize, GFP_KERNEL); if (!attrs) @@ -11001,8 +11000,7 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) goto free; } req.links[link_id].bss = - nl80211_assoc_bss(rdev, ssid, ssid_len, attrs, - &bssid); + nl80211_assoc_bss(rdev, ssid, ssid_len, attrs); if (IS_ERR(req.links[link_id].bss)) { err = PTR_ERR(req.links[link_id].bss); req.links[link_id].bss = NULL; @@ -11053,10 +11051,10 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) if (req.link_id >= 0) return -EINVAL; - req.bss = nl80211_assoc_bss(rdev, ssid, ssid_len, info->attrs, - &bssid); + req.bss = nl80211_assoc_bss(rdev, ssid, ssid_len, info->attrs); if (IS_ERR(req.bss)) return PTR_ERR(req.bss); + ap_addr = req.bss->bssid; } err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); @@ -11069,7 +11067,7 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid; memcpy(dev->ieee80211_ptr->disconnect_bssid, - bssid, ETH_ALEN); + ap_addr, ETH_ALEN); } wdev_unlock(dev->ieee80211_ptr);