git.openwrt.org Git - openwrt/openwrt.git/blob

   1 From: Felix Fietkau <nbd@nbd.name>
   2 Date: Wed, 8 Jan 2020 18:03:04 +0100
   3 Subject: [PATCH] cfg80211: fix memory leak in cfg80211_cqm_rssi_update
   4
   5 The per-tid statistics need to be released after the call to rdev_get_station
   6
   7 Cc: stable@vger.kernel.org
   8 Fixes: 8689c051a201 ("cfg80211: dynamically allocate per-tid stats for station info")
   9 Signed-off-by: Felix Fietkau <nbd@nbd.name>
  10 ---
  11
  12 --- a/net/wireless/nl80211.c
  13 +++ b/net/wireless/nl80211.c
  14 @@ -10346,6 +10346,7 @@ static int cfg80211_cqm_rssi_update(stru
  15                 if (err)
  16                         return err;
  17
  18 +               cfg80211_sinfo_release_content(&sinfo);
  19                 if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG))
  20                         wdev->cqm_config->last_rssi_event_value =
  21                                 (s8) sinfo.rx_beacon_signal_avg;