2021-04-08 12:29:37

by Johannes Berg

Subject: [PATCH] nl80211: fix potential leak of ACL params

From: Johannes Berg <[email protected]>

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")
Signed-off-by: Johannes Berg <[email protected]>
---
net/wireless/nl80211.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 034af85f79d8..0d34cca38702 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -5,7 +5,7 @@
* Copyright 2006-2010 Johannes Berg <[email protected]>
* 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>
@@ -5485,7 +5485,7 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
&params);
if (err)
- return err;
+ goto out;
}

nl80211_calculate_ap_params(&params);
--
2.30.2