linux-kernel - [PATCH 5.3 089/135] mac80211: fix ieee80211_txq_setup

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Message-Id: <20191203213036.056617451@linuxfoundation.org>
Date:   Tue,  3 Dec 2019 23:35:29 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Johannes Berg <johannes.berg@...el.com>,
        Toke Høiland-Jørgensen <toke@...e.dk>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.3 089/135] mac80211: fix ieee80211_txq_setup_flows() failure path

From: Johannes Berg <johannes.berg@...el.com>

[ Upstream commit 6dd47d9754ff0589715054b11294771f2c9a16ac ]

If ieee80211_txq_setup_flows() fails, we don't clean up LED
state properly, leading to crashes later on, fix that.

Fixes: dc8b274f0952 ("mac80211: Move up init of TXQs")
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Acked-by: Toke Høiland-Jørgensen <toke@...e.dk>
Link: https://lore.kernel.org/r/20191105154110.1ccf7112ba5d.I0ba865792446d051867b33153be65ce6b063d98c@changeid
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 net/mac80211/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 4c2702f128f3a..868705ed5cbbb 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1297,8 +1297,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
 	ieee80211_remove_interfaces(local);
  fail_rate:
 	rtnl_unlock();
-	ieee80211_led_exit(local);
  fail_flows:
+	ieee80211_led_exit(local);
 	destroy_workqueue(local->workqueue);
  fail_workqueue:
 	wiphy_unregister(local->hw.wiphy);
-- 
2.20.1