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authorLorenzo Bianconi <lorenzo@kernel.org>2019-07-03 01:29:47 +0300
committerJohannes Berg <johannes.berg@intel.com>2019-07-20 22:39:26 +0300
commitbcc27fab8cc673ddc95452674373cce618ccb3a3 (patch)
tree5c61acd6f44500947f47736f5de9cc747a62a2b2 /net/mac80211/cfg.c
parent5edaac063bbf1267260ad2a5b9bb803399343e58 (diff)
downloadlinux-bcc27fab8cc673ddc95452674373cce618ccb3a3.tar.xz
mac80211: fix possible memory leak in ieee80211_assign_beacon
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 <lorenzo@kernel.org> Link: https://lore.kernel.org/r/770285772543c9fca33777bb4ad4760239e56256.1562105631.git.lorenzo@kernel.org Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/cfg.c')
-rw-r--r--net/mac80211/cfg.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 76cc9e967fa6..4d458067d80d 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -936,8 +936,10 @@ 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;
@@ -949,8 +951,10 @@ 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;
}