From d5adb7a1d71e9fcd0a6cd999cb9c2a22b558f9af Mon Sep 17 00:00:00 2001
From: Sara Sharon <sara.sharon@intel.com>
Date: Mon, 19 Feb 2018 14:48:35 +0200
Subject: [PATCH] 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: 654d05a4dce0 ("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>
---
 net/mac80211/sta_info.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 0c5627f8a104e..8d7e3732bb613 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -433,6 +433,7 @@ 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
-- 
2.39.5