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path: root/drivers/net/wireless/iwlwifi/mvm/sta.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/sta.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/sta.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c
index 0fd96e4da461..5c664ed54400 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/mvm/sta.c
@@ -219,7 +219,7 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm,
mvm_sta->max_agg_bufsize = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
/* HW restart, don't assume the memory has been zeroed */
- atomic_set(&mvm_sta->pending_frames, 0);
+ atomic_set(&mvm->pending_frames[sta_id], 0);
mvm_sta->tid_disable_agg = 0;
mvm_sta->tfd_queue_msk = 0;
for (i = 0; i < IEEE80211_NUM_ACS; i++)
@@ -407,14 +407,21 @@ int iwl_mvm_rm_sta(struct iwl_mvm *mvm,
}
/*
+ * Make sure that the tx response code sees the station as -EBUSY and
+ * calls the drain worker.
+ */
+ spin_lock_bh(&mvm_sta->lock);
+ /*
* There are frames pending on the AC queues for this station.
* We need to wait until all the frames are drained...
*/
- if (atomic_read(&mvm_sta->pending_frames)) {
- ret = iwl_mvm_drain_sta(mvm, mvm_sta, true);
+ if (atomic_read(&mvm->pending_frames[mvm_sta->sta_id])) {
rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id],
ERR_PTR(-EBUSY));
+ spin_unlock_bh(&mvm_sta->lock);
+ ret = iwl_mvm_drain_sta(mvm, mvm_sta, true);
} else {
+ spin_unlock_bh(&mvm_sta->lock);
ret = iwl_mvm_rm_sta_common(mvm, mvm_sta->sta_id);
rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], NULL);
}