[PATCH 5.11 071/210] nl80211: fix potential leak of ACL params

Greg Kroah-Hartman
2021-04-12T09:31:05Z

From: Johannes Berg <johannes.berg@intel.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@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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@sipsolutions.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>
@@ -5401,7 +5401,7 @@ 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);