diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/pcie')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/tx.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c index 8dfe6b2bc703..cb03c2855019 100644 --- a/drivers/net/wireless/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/iwlwifi/pcie/tx.c @@ -585,6 +585,11 @@ static void iwl_pcie_txq_unmap(struct iwl_trans *trans, int txq_id) struct iwl_txq *txq = &trans_pcie->txq[txq_id]; struct iwl_queue *q = &txq->q; + if (!txq) { + IWL_ERR(trans, "Trying to free a queue that wasn't allocated?\n"); + return; + } + spin_lock_bh(&txq->lock); while (q->write_ptr != q->read_ptr) { IWL_DEBUG_TX_REPLY(trans, "Q %d Free %d\n", |