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mac80211: fix a possible leak of station stats 

[ Upstream commit d78d9ee9d4 ]

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

Fixes: c9c5962b56 ("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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Sara Sharon 2018-02-19 14:48:35 +02:00 committed by Greg Kroah-Hartman
parent f49e3a9acc
commit 99d4fe95e4
1 changed files with 1 additions and 0 deletions
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net/mac80211/sta_info.c
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@ -439,6 +439,7 @@ free_txq:
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