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mac80211: fix sta TID stats leak on a few nl80211 calls

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Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry-picked from commit d5b3024139)
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Felix Fietkau
2020-01-13 19:43:20 +01:00
parent 25e1afb9e1
commit a3b6ffe01b
1 changed files with 21 additions and 0 deletions
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package/kernel/mac80211/patches/subsys/369-cfg80211-fix-memory-leak-in-cfg80211_cqm_rssi_update.patch Normal file
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@@ -0,0 +1,21 @@
From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 8 Jan 2020 18:03:04 +0100
Subject: [PATCH] cfg80211: fix memory leak in cfg80211_cqm_rssi_update
The per-tid statistics need to be released after the call to rdev_get_station
Cc: stable@vger.kernel.org
Fixes: 8689c051a201 ("cfg80211: dynamically allocate per-tid stats for station info")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -10346,6 +10346,7 @@ static int cfg80211_cqm_rssi_update(stru
if (err)
return err;
+ cfg80211_sinfo_release_content(&sinfo);
if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
wdev->cqm_config->last_rssi_event_value =
(s8) sinfo.rx_beacon_signal_avg;