[PATCH] mac80211: fix possible memory leak in ieee80211_assign_beacon

[Lorenzo Bianconi]

Free new beacon_data in ieee80211_assign_beacon whenever
ieee80211_assign_beacon fails

Fixes: 8860020e0be1 ("cfg80211: restructure AP/GO mode API")
Fixes: bc847970f432 ("mac80211: support FTM responder configuration/statistic")
Signed-off-by: Lorenzo Bianconi <lore...@kernel.org>
---
 net/mac80211/cfg.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index a1973a26c7fc..b8288125e05d 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -935,8 +935,10 @@ static int ieee80211_assign_beacon(struct 
ieee80211_sub_if_data *sdata,
 
        err = ieee80211_set_probe_resp(sdata, params->probe_resp,
                                       params->probe_resp_len, csa);
-       if (err < 0)
+       if (err < 0) {
+               kfree(new);
                return err;
+       }
        if (err == 0)
                changed |= BSS_CHANGED_AP_PROBE_RESP;
 
@@ -948,8 +950,10 @@ static int ieee80211_assign_beacon(struct 
ieee80211_sub_if_data *sdata,
                                                         params->civicloc,
                                                         params->civicloc_len);
 
-               if (err < 0)
+               if (err < 0) {
+                       kfree(new);
                        return err;
+               }
 
                changed |= BSS_CHANGED_FTM_RESPONDER;
        }
-- 
2.21.0