cfg80211: fix possible memory leak in cfg80211_iter_combinations()
'limits' is malloced in cfg80211_iter_combinations() and should be freed
before leaving from the error handling cases, otherwise it will cause
memory leak.
Fixes: 0c317a02ca98 ("cfg80211: support virtual interfaces with different beacon intervals")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/wireless/util.c b/net/wireless/util.c
index d2ea1f1..ec17c28 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -1676,8 +1676,10 @@
if (params->beacon_int_gcd) {
if (c->beacon_int_min_gcd &&
- params->beacon_int_gcd < c->beacon_int_min_gcd)
+ params->beacon_int_gcd < c->beacon_int_min_gcd) {
+ kfree(limits);
return -EINVAL;
+ }
if (!c->beacon_int_min_gcd &&
params->beacon_int_different)
goto cont;