Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) client-ip=2620:137:e000::3:3;
From:   gregory.greenman@intel.com
To:     johannes@sipsolutions.net
Cc:     linux-wireless@vger.kernel.org,
        Benjamin Berg <benjamin.berg@intel.com>,
        Gregory Greenman <gregory.greenman@intel.com>
Subject: [PATCH v2 17/18] wifi: mac80211: report per-link error during association
Date:   Wed, 20 Sep 2023 21:25:28 +0300
Message-Id: <20230920211508.275fc7f5c426.I8086c0fdbbf92537d6a8b8e80b33387fcfd5553d@changeid>
In-Reply-To: <20230920182529.659973-1-gregory.greenman@intel.com>
References: <20230920182529.659973-1-gregory.greenman@intel.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

From: Benjamin Berg <benjamin.berg@intel.com>

With this cfg80211 can report the link that caused the error to
userspace which is then able to react to it by e.g. removing the link
from the association and retrying.

Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
---
 net/mac80211/mlme.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index c1619bb2b11d..a10b9420aa68 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -7889,8 +7889,10 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 		/* only calculate the flags, hence link == NULL */
 		err = ieee80211_prep_channel(sdata, NULL, assoc_data->link[i].bss,
 					     &assoc_data->link[i].conn_flags);
-		if (err)
+		if (err) {
+			req->links[i].error = err;
 			goto err_clear;
+		}
 	}
 
 	/* needed for transmitting the assoc frames properly */
-- 
2.38.1