nl80211: fix potential leak of ACL params
authorJohannes Berg <johannes.berg@intel.com>
Thu, 8 Apr 2021 12:28:34 +0000 (14:28 +0200)
committerJohannes Berg <johannes.berg@intel.com>
Thu, 8 Apr 2021 12:44:56 +0000 (14:44 +0200)
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>
net/wireless/nl80211.c

index 034af85..0d34cca 100644 (file)
@@ -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>
@@ -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);