package/kernel/mac80211/patches/305-ath10k-Clean-up-peer-when-sta-goes-away.patch

   1 From: Ben Greear <greearb@candelatech.com>
   2 Date: Fri, 1 Apr 2016 14:12:11 -0700
   3 Subject: [PATCH] ath10k: Clean up peer when sta goes away.
   4
   5 If WMI and/or firmware has issues removing the peer object,
   6 then we still need to clean up the peer object in the driver.
   7
   8 Signed-off-by: Ben Greear <greearb@candelatech.com>
   9 ---
  10
  11 --- a/drivers/net/wireless/ath/ath10k/mac.c
  12 +++ b/drivers/net/wireless/ath/ath10k/mac.c
  13 @@ -5992,9 +5992,17 @@ static int ath10k_sta_state(struct ieee8
  14                                 continue;
  15
  16                         if (peer->sta == sta) {
  17 -                               ath10k_warn(ar, "found sta peer %pM entry on vdev %i after it was supposedly removed\n",
  18 -                                           sta->addr, arvif->vdev_id);
  19 +                               ath10k_warn(ar, "found sta peer %pM (ptr %p id %d) entry on vdev %i after it was supposedly removed\n",
  20 +                                           sta->addr, peer, i, arvif->vdev_id);
  21                                 peer->sta = NULL;
  22 +
  23 +                               /* Clean up the peer object as well since we
  24 +                                * must have failed to do this above.
  25 +                                */
  26 +                               list_del(&peer->list);
  27 +                               ar->peer_map[i] = NULL;
  28 +                               kfree(peer);
  29 +                               ar->num_peers--;
  30                         }
  31                 }
  32                 spin_unlock_bh(&ar->data_lock);