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path: root/drivers/net/wireless/iwlwifi/iwl-tx.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-tx.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-tx.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 80c3565a66ae..52b1b66f32d0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -621,9 +621,6 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
621 struct iwl_cmd_meta *meta; 621 struct iwl_cmd_meta *meta;
622 struct iwl_tx_queue *txq = &priv->txq[priv->cmd_queue]; 622 struct iwl_tx_queue *txq = &priv->txq[priv->cmd_queue];
623 unsigned long flags; 623 unsigned long flags;
624 void (*callback) (struct iwl_priv *priv, struct iwl_device_cmd *cmd,
625 struct iwl_rx_packet *pkt);
626
627 624
628 /* If a Tx command is being handled and it isn't in the actual 625 /* If a Tx command is being handled and it isn't in the actual
629 * command queue then there a command routing bug has been introduced 626 * command queue then there a command routing bug has been introduced
@@ -637,8 +634,6 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
637 return; 634 return;
638 } 635 }
639 636
640 spin_lock_irqsave(&priv->hcmd_lock, flags);
641
642 cmd_index = get_cmd_index(&txq->q, index, huge); 637 cmd_index = get_cmd_index(&txq->q, index, huge);
643 cmd = txq->cmd[cmd_index]; 638 cmd = txq->cmd[cmd_index];
644 meta = &txq->meta[cmd_index]; 639 meta = &txq->meta[cmd_index];
@@ -648,13 +643,14 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
648 dma_unmap_len(meta, len), 643 dma_unmap_len(meta, len),
649 PCI_DMA_BIDIRECTIONAL); 644 PCI_DMA_BIDIRECTIONAL);
650 645
651 callback = NULL;
652 /* Input error checking is done when commands are added to queue. */ 646 /* Input error checking is done when commands are added to queue. */
653 if (meta->flags & CMD_WANT_SKB) { 647 if (meta->flags & CMD_WANT_SKB) {
654 meta->source->reply_page = (unsigned long)rxb_addr(rxb); 648 meta->source->reply_page = (unsigned long)rxb_addr(rxb);
655 rxb->page = NULL; 649 rxb->page = NULL;
656 } else 650 } else if (meta->callback)
657 callback = meta->callback; 651 meta->callback(priv, cmd, pkt);
652
653 spin_lock_irqsave(&priv->hcmd_lock, flags);
658 654
659 iwl_hcmd_queue_reclaim(priv, txq_id, index, cmd_index); 655 iwl_hcmd_queue_reclaim(priv, txq_id, index, cmd_index);
660 656
@@ -669,7 +665,4 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
669 meta->flags = 0; 665 meta->flags = 0;
670 666
671 spin_unlock_irqrestore(&priv->hcmd_lock, flags); 667 spin_unlock_irqrestore(&priv->hcmd_lock, flags);
672
673 if (callback)
674 callback(priv, cmd, pkt);
675} 668}