diff options
| author |   Johannes Berg <johannes.berg@intel.com> | 2023-03-17 10:53:24 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2023-03-22 13:14:18 +0100 |
| commit | b58e3d4311b54b6dd0e37165277965da0c9eb21d (patch) | |
| tree | dc31bfe22ea178a80669930d23d2ae2eca34feda /drivers/net/wireless/intel/iwlwifi/mvm/ops.c | |
| parent | wifi: mac80211: Serialize ieee80211_handle_wake_tx_queue() (diff) | |
| download | wireguard-linux-b58e3d4311b54b6dd0e37165277965da0c9eb21d.tar.xz wireguard-linux-b58e3d4311b54b6dd0e37165277965da0c9eb21d.zip | |
wifi: iwlwifi: mvm: fix mvmtxq->stopped handling
This could race if the queue is redirected while full, then
the flushing internally would start it while it's not yet
usable again. Fix it by using two state bits instead of just
one.
Reviewed-by: Benjamin Berg <benjamin.berg@intel.com>
Tested-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index f4e9446d9dc2..efad8f92d132 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -1691,7 +1691,10 @@ static void iwl_mvm_queue_state_change(struct iwl_op_mode *op_mode, txq = sta->txq[tid]; mvmtxq = iwl_mvm_txq_from_mac80211(txq); - mvmtxq->stopped = !start; + if (start) + clear_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); + else + set_bit(IWL_MVM_TXQ_STATE_STOP_FULL, &mvmtxq->state); if (start && mvmsta->sta_state != IEEE80211_STA_NOTEXIST) iwl_mvm_mac_itxq_xmit(mvm->hw, txq); |