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From:   greearb@candelatech.com
To:     linux-wireless@vger.kernel.org
Cc:     Ben Greear <greearb@candelatech.com>
Subject: [PATCH 2/2] mac80211:  Set radio to unavailable when it fails to reconfigure.
Date:   Tue, 22 Sep 2020 13:44:40 -0700
Message-Id: <20200922204440.25360-2-greearb@candelatech.com>
In-Reply-To: <20200922204440.25360-1-greearb@candelatech.com>
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From: Ben Greear <greearb@candelatech.com>

This can happen when firmware crashes during recover operations, for
instance.  Seen sometimes during stress test of ath10k systems, particularlly
an IPQ4019 based platform, but I think it could happen on many systems.

Signed-off-by: Ben Greear <greearb@candelatech.com>
---
 net/mac80211/util.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index f3bc05217f741..ecd56f80b0c82 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2106,6 +2106,7 @@ static void ieee80211_handle_reconfig_failure(struct ieee80211_local *local)
 	mutex_unlock(&local->chanctx_mtx);
 
 	cfg80211_shutdown_all_interfaces(local->hw.wiphy);
+	cfg80211_set_unavailable(local->hw.wiphy, 1);
 }
 
 static void ieee80211_assign_chanctx(struct ieee80211_local *local,
-- 
2.26.2