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Message-Id: <20210412084015.782127087@linuxfoundation.org>
Date:   Mon, 12 Apr 2021 10:39:38 +0200
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>
Subject: [PATCH 5.10 064/188] nl80211: fix potential leak of ACL params

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

commit abaf94ecc9c356d0b885a84edef4905cdd89cfdd upstream.

In case nl80211_parse_unsol_bcast_probe_resp() results in an
error, need to "goto out" instead of just returning to free
possibly allocated data.

Fixes: 7443dcd1f171 ("nl80211: Unsolicited broadcast probe response support")
Link: https://lore.kernel.org/r/20210408142833.d8bc2e2e454a.If290b1ba85789726a671ff0b237726d4851b5b0f@changeid
Signed-off-by: Johannes Berg <johannes.berg@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 net/wireless/nl80211.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5,7 +5,7 @@
  * Copyright 2006-2010	Johannes Berg <johannes@...solutions.net>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright 2015-2017	Intel Deutschland GmbH
- * Copyright (C) 2018-2020 Intel Corporation
+ * Copyright (C) 2018-2021 Intel Corporation
  */
 
 #include <linux/if.h>
@@ -5324,7 +5324,7 @@ static int nl80211_start_ap(struct sk_bu
 			rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
 			&params);
 		if (err)
-			return err;
+			goto out;
 	}
 
 	nl80211_calculate_ap_params(&params);


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