diff options
Diffstat (limited to 'drivers/net/wireless/intel')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/tx.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index 9fe050f0ddc1..1ef14340953c 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -2351,6 +2351,10 @@ void iwl_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn, txq_write_ptr = txq->write_ptr; spin_unlock(&txq->lock); + /* There is nothing to do if we are flushing an empty queue */ + if (is_flush && txq_write_ptr == txq_read_ptr) + goto out; + read_ptr = iwl_txq_get_cmd_index(txq, txq_read_ptr); if (!test_bit(txq_id, trans_pcie->txqs.queue_used)) { |