diff options
| -rw-r--r-- | drivers/net/igb/igb_main.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index f75f90f..e67ff0e 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -1952,7 +1952,8 @@ int igb_setup_tx_resources(struct igb_ring *tx_ring) tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc); tx_ring->size = ALIGN(tx_ring->size, 4096); - tx_ring->desc = pci_alloc_consistent(pdev, tx_ring->size, + tx_ring->desc = pci_alloc_consistent(pdev, + tx_ring->size, &tx_ring->dma); if (!tx_ring->desc) @@ -1978,13 +1979,13 @@ err: **/ static int igb_setup_all_tx_resources(struct igb_adapter *adapter) { + struct pci_dev *pdev = adapter->pdev; int i, err = 0; - int r_idx; for (i = 0; i < adapter->num_tx_queues; i++) { err = igb_setup_tx_resources(&adapter->tx_ring[i]); if (err) { - dev_err(&adapter->pdev->dev, + dev_err(&pdev->dev, "Allocation for Tx Queue %u failed\n", i); for (i--; i >= 0; i--) igb_free_tx_resources(&adapter->tx_ring[i]); @@ -1993,7 +1994,7 @@ static int igb_setup_all_tx_resources(struct igb_adapter *adapter) } for (i = 0; i < IGB_MAX_TX_QUEUES; i++) { - r_idx = i % adapter->num_tx_queues; + int r_idx = i % adapter->num_tx_queues; adapter->multi_tx_table[i] = &adapter->tx_ring[r_idx]; } return err; @@ -2116,6 +2117,7 @@ int igb_setup_rx_resources(struct igb_ring *rx_ring) err: vfree(rx_ring->buffer_info); + rx_ring->buffer_info = NULL; dev_err(&pdev->dev, "Unable to allocate memory for " "the receive descriptor ring\n"); return -ENOMEM; @@ -2130,12 +2132,13 @@ err: **/ static int igb_setup_all_rx_resources(struct igb_adapter *adapter) { + struct pci_dev *pdev = adapter->pdev; int i, err = 0; for (i = 0; i < adapter->num_rx_queues; i++) { err = igb_setup_rx_resources(&adapter->rx_ring[i]); if (err) { - dev_err(&adapter->pdev->dev, + dev_err(&pdev->dev, "Allocation for Rx Queue %u failed\n", i); for (i--; i >= 0; i--) igb_free_rx_resources(&adapter->rx_ring[i]); @@ -2476,6 +2479,10 @@ void igb_free_tx_resources(struct igb_ring *tx_ring) vfree(tx_ring->buffer_info); tx_ring->buffer_info = NULL; + /* if not set, then don't free */ + if (!tx_ring->desc) + return; + pci_free_consistent(tx_ring->pdev, tx_ring->size, tx_ring->desc, tx_ring->dma); @@ -2534,14 +2541,10 @@ static void igb_clean_tx_ring(struct igb_ring *tx_ring) memset(tx_ring->buffer_info, 0, size); /* Zero out the descriptor ring */ - memset(tx_ring->desc, 0, tx_ring->size); tx_ring->next_to_use = 0; tx_ring->next_to_clean = 0; - - writel(0, tx_ring->head); - writel(0, tx_ring->tail); } /** @@ -2569,6 +2572,10 @@ void igb_free_rx_resources(struct igb_ring *rx_ring) vfree(rx_ring->buffer_info); rx_ring->buffer_info = NULL; + /* if not set, then don't free */ + if (!rx_ring->desc) + return; + pci_free_consistent(rx_ring->pdev, rx_ring->size, rx_ring->desc, rx_ring->dma); @@ -2601,6 +2608,7 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring) if (!rx_ring->buffer_info) return; + /* Free all the Rx ring sk_buffs */ for (i = 0; i < rx_ring->count; i++) { buffer_info = &rx_ring->buffer_info[i]; @@ -2638,9 +2646,6 @@ static void igb_clean_rx_ring(struct igb_ring *rx_ring) rx_ring->next_to_clean = 0; rx_ring->next_to_use = 0; - - writel(0, rx_ring->head); - writel(0, rx_ring->tail); } /** |