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mac80211: fix memory leak

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In case ieee80211_prep_connection() fails to dereference
sdata->vif.chanctx_conf, the function returns and doesn't
free new_sta. fixed.

Signed-off-by: Eytan Lifshitz <eytan.lifshitz@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Eytan Lifshitz 2014-02-06 21:01:32 +02:00 committed by Johannes Berg
parent 32769814d5
commit c368ddaa9a
1 changed files with 1 additions and 0 deletions
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net/mac80211/mlme.c
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@ -3753,6 +3753,7 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
if (WARN_ON(!chanctx_conf)) {
rcu_read_unlock();
sta_info_free(local, new_sta);
return -EINVAL;
}
rate_flags = ieee80211_chandef_rate_flags(&chanctx_conf->def);