Commit d78d9ee9 authored Feb 19, 2018 by Sara Sharon Committed by Johannes Berg Feb 19, 2018

mac80211: fix a possible leak of station stats



If sta_info_alloc fails after allocating the per CPU statistics,
they are not properly freed.

Fixes: c9c5962b ("mac80211: enable collecting station statistics per-CPU")
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

parent 651b9920

net/mac80211/sta_info.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -433,6 +433,7 @@ struct sta_info sta_info_alloc(struct ieee80211_sub_if_data sdata,
		if (sta->sta.txq[0])
		kfree(to_txq_info(sta->sta.txq[0]));
		free:
		free_percpu(sta->pcpu_rx_stats);
		#ifdef CONFIG_MAC80211_MESH
		kfree(sta->mesh);
		#endif